Andrew Skumanich
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Physics
Andrew Skumanich's Degrees
- PhD Astronomy University of California, Berkeley
- Masters Physics University of California, Berkeley
- Bachelors Physics University of California, Berkeley
Why Is Andrew Skumanich Influential?
(Suggest an Edit or Addition)Andrew Skumanich's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- TIME SCALES FOR Ca II EMISSION DECAY, ROTATIONAL BRAKING, AND LITHIUM DEPLETION. (1971) (1279)
- Stokes profile analysis and vector magnetic fields. I. Inversion of photospheric lines (1987) (246)
- On the statistical description of inhomogeneities in the quiet solar atmosphere. I - Linear regression analysis and absolute calibration of multichannel observations of the Ca/+/ emission network (1975) (213)
- The Possible Ascent of a Closed Magnetic System through the Photosphere (1995) (199)
- Estimating the Sun's radiative output during the Maunder Minimum (1992) (179)
- Stokes profile analysis and vector magnetic fields. VI: Fine scale structure of a sunspot (1993) (163)
- Optical absorption spectra of carbon 60 thin films from 0.4 to 6.2 eV (1991) (154)
- Active Region Magnetic Fields. I. Plage Fields (1997) (154)
- Advanced Stokes polarimeter: a new instrument for solar magnetic field research (1992) (150)
- Photothermal investigation of transport in semiconductors: Theory and experiment (1986) (133)
- Small scale horizontal magnetic fields in the solar photosphere (1996) (127)
- Transfer of line radiation in a magnetic field (1989) (121)
- Stokes profile analysis and vector magnetic fields. V: The magnetic field structure of large sunspots observed with Stokes II (1990) (119)
- The Calibration of the Advanced Stokes Polarimeter (1997) (110)
- Optical Tomography of a Sunspot. II. Vector Magnetic Field and Temperature Stratification (2001) (108)
- Urbach tail and gap states in hydrogenated a-SiC and a-SiGe alloys (1985) (108)
- A three‐component model of the variability of the solar ultraviolet flux: 145–200 nM (1982) (95)
- Evidence for a downward mass flux in the penumbral region of a sunspot (1997) (93)
- The Evolution of Pores and the Development of Penumbrae (1998) (85)
- Calibrated full disk solar H I Lyman-alpha and Lyman-beta profiles. (1978) (72)
- The LPSP instrument on OSO 8. II - In-flight performance and preliminary results (1978) (71)
- The sun as a star - Three-component analysis of chromospheric variability in the calcium K line (1984) (68)
- Variability of the Lyman alpha flux with solar activity (1983) (68)
- Pulsation modes in rapidly rotating stellar models based on the self-consistent field method (2009) (66)
- On the value of 'αAR' from vector magnetograph data (1999) (65)
- Photothermal modulation of the gap distance in scanning tunneling microscopy (1986) (62)
- Optical Tomography of a Sunspot. I. Comparison between Two Inversion Techniques (1998) (60)
- High-resolution spectra of solar magnetic features. I. Analysis of penumbral fine structure (1990) (58)
- THE SUN IN A NON-CYCLING STATE (1992) (58)
- On the Structure and Properties of Differentially Rotating, Main-Sequence Stars in the 1-2 M☉ Range (2007) (54)
- VECTOR MAGNETIC FIELDS OF EMERGING SOLAR FLUX. I. PROPERTIES AT THE SITE OF EMERGENCE (1998) (54)
- Stokes profile analysis and vector magnetic fields. IV: Synthesis and inversion of the chromospheric Mg I b lines (1988) (52)
- On the Use of the Self-consistent-Field Method in the Construction of Models for Rapidly Rotating Main-Sequence Stars (2005) (48)
- A model of a sunspot chromosphere based on OSO 8 observations (1982) (43)
- A quantitative comparison of vector magnetic field measurement and analysis techniques (1994) (42)
- Models for the Rapidly Rotating Be Star Achernar (2004) (41)
- Dependence of Chromospheric Activity upon Age in Main-Sequence Stars: Additional Evidence. (1964) (41)
- Absorption and Scattering in Nonlinear Optical Polymeric Systems (1993) (40)
- Insitu investigation of transport in semiconductors: A contactless approach (1985) (38)
- On the solar ultraviolet spectral irradiance during the Maunder Minimum (1995) (35)
- A case study for micro‐grid PV: lessons learned from a rural electrification project in India (2014) (35)
- A contactless method for investigating the thermal properties of thin films (1987) (33)
- Evidence for supersonic downflows in the photosphere of a delta-sunspot (1994) (32)
- Radiative transport in finite homogenous cylinders by the Monte Carlo technique (1969) (32)
- Hydrogen ionization and n=2 population for model spicules and prominences (1971) (29)
- Vector Spectropolarimetry with the Advanced Stokes Polarimeter (ASP) for Quantitative Solar Magnetometry (1994) (27)
- Mode identification in rapidly rotating stars (2009) (27)
- Emission cores in H and K lines (1968) (26)
- The Physical Content of the Leading Orders of Principal Component Analysis of Spectral Profiles (2002) (25)
- Converging Flows in the Penumbra of a δ Sunspot (2002) (25)
- Evidence for a Common Magnetic Driver for Flares and Quiescent Coronae/Chromospheres (1985) (24)
- Aspects of Long-Term Variability in Sun and Stars (1981) (23)
- A study of excess H-alpha emission in chromospherically active M dwarf (1989) (22)
- Light‐induced defects in hydrogenated amorphous silicon alloys (1988) (20)
- On the magnetic and thermodynamic consequences of the return-flux sunspot model (1982) (18)
- Gap state spectroscopy in a-SixC1−x:H alloys (1985) (17)
- High-latitude spot and plage activity on the rapidly rotating M dwarf star Gliese 890 (1990) (16)
- Magnesium II Doublet Profiles of Chromospheric Inhomogeneities at the Center of the Solar Disk (1973) (16)
- Emission cores in H and K lines (1968) (16)
- CSP: Developments in heat transfer and storage materials (2010) (16)
- Indium shortage implications for the PV and LCD market: Technology and market considerations for maintaining growth (2009) (15)
- Optical properties and correlation energy of defects in a-Ge:H (1983) (15)
- Photothermal Deflection Spectroscopy: A Sensitive Absorption Technique for Organic Thin Films (1990) (15)
- Fluorescence-induced Chromospheric H alpha Emission from the K Dwarf Component of V471 Tauri. I. The 1983 Epoch (1988) (15)
- The formation of resonance lines in multidimensional media. II. Radiation operators and their numerical representation (1973) (15)
- An ambiguity-free determination of J_Z in solar active regions (1998) (15)
- On Thermal Convection in a Polytropic Atmosphere. (1955) (14)
- The polarization properties of model sunspots - The broad-band polarization signature of the Schluter-Temesvary representation (1987) (14)
- Rapid rotation and H-alpha emission anomalies among some members of the population of low-mass stars (1984) (14)
- The physical effects of radiative transfer in multidimensional media including models of the solar atmosphere (1980) (14)
- Thermalization Lengths and Mean Numbers of Scatterings for Line Photons (1971) (13)
- Process and yield improvement based on fast in-line automatic defect classification (1999) (13)
- The Sun as a Guide to Stellar Physics (2019) (12)
- Evidence for external plasma around the K dwarf component of the eclipsing binary V471 Tauri (1991) (12)
- Vector Magnetic Fields of Emerging Solar Flux (1998) (12)
- Theoretical Line Intensities.VI. Milne-Eddington Curves of Growth for Non-Coherent Scattering (1968) (11)
- CMP process development based on rapid automatic defect classification (1999) (11)
- The vibrational overtone spectrum of a thin polymer film (1990) (11)
- Stokes Profile Analysis and Vector Magnetic Fields. III. Extended Temperature Minima of Sunspot Umbrae as Inferred from Stokes Profiles of MG i lambda 4571 (1987) (11)
- Enhanced defect detection capability using combined brightfield/darkfield imaging (1998) (10)
- In-line SEM based ADC for advanced process control (2000) (10)
- Observations of the Mesoscale Magnetic Structure of Sunspots (1992) (10)
- CSP at a crossroads (2011) (10)
- An empirical interpretation for the time evolution of the Caii K line (1974) (10)
- Evolution of activity signatures during the main sequence phase (1986) (10)
- Advanced interconnect process development utilizing wafer inspection with "on-the-fly" automatic defect classification (1999) (9)
- The Evolution of Photospheric Magnetic Structures in Terms of the Size-Flux Relationship (1999) (9)
- The contribution of the staebler-wronski effect to gap-state absorption in hydrogenated amorphous silicon (1983) (9)
- EMISSION CORES IN H-- AND K-LINES. III. THE WILSON--BAPPU EFFECT. (1968) (9)
- Substrate birefringence in coated optical storage disks. (1993) (9)
- Some evidence on the evolution of the flare mechanism in dwarf stars (1986) (9)
- Non-Radial Oscillations of Slowly Rotating Polytropes (1968) (8)
- The effects of compensation of light-induced metastable defects in a-Si:H (1983) (8)
- Advanced process development and control based on a fully automated SEM with ADC (1999) (8)
- Interpolation Laws for Chromospheric Ca II (Mg II) K or H Line Source Function for Complete Redistribution. (1967) (7)
- Defect reduction methodologies for damascene interconnect process development (1999) (7)
- NLO Polymeric Waveguide Electro-Optic Phase Modulator (1992) (7)
- Nonlinear optical polymeric waveguide electro-optic phase modulator (1993) (7)
- Optimization of advanced design rule processes utilizing postdevelop patterned-wafer inspection (1999) (7)
- Estimating Solar Forcing of Climate Change during the Maunder Minimum (1994) (7)
- On the application of the generalized Newton-Raphson method in radiative transfer problems (1971) (7)
- Use of test structures for Cu interconnect process development and yield enhancement (2000) (7)
- The expansion opportunity for off-grid PV to go mainstream: Multiple case studies for village electrification and telecom power-up in India (2014) (7)
- Velocity gradients across a flaring neutral line from Stokes II measurements. (1991) (7)
- Enhanced defect capture and analysis based on automatic defect classification at post-lithographic inspection (2000) (6)
- Automated fault detection and classification of etch systems using modular neural networks (2004) (6)
- SUBSTRATE BIREFRINGENCE IN COATED OPTICAL DISKS (1993) (6)
- Observation of light‐induced defect formation in hydrogenated amorphous silicon by subgap illumination (1989) (6)
- On Bright-Dark Symmetry of Solar Granulation. (1955) (5)
- A case study for micro-grid PV: Rural electrification in India (2013) (5)
- THEORETICAL LINE INTENSITIES. VII. WAVELENGTH AND DEPTH DEPENDENCE OF LINE-BLANKETING EFFECTS FOR PURE ABSORPTION AND NON-COHERENT SCATTERING. (1969) (5)
- The Advanced Stokes Polarimeter (1989) (5)
- PV dispatchability and intermittency: Potential limitations to PV growth, and critical strategies (2011) (5)
- Internal Motions Within Interstellar Clouds. (1952) (5)
- Methodology for yield enhancement based on the analysis of defects at the lithographic step (1999) (4)
- Yield enhancement based on defect reduction using on-the-fly automatic defect classification (2000) (4)
- A Case Study for Micro-Grid PV: Lessons Learned from a Rural Electrification Project in India (2013) (4)
- Comparison of pulsation modes in rapidly rotating polytropic and SCF models (2009) (4)
- Radiative Transfer Diagnostics: Understanding Multilevel Transfer Calculations. I. Analysis of the Full Statistical Equilibrium Equations (1986) (4)
- Rapid rotation and stellar activity in the triple system HD 165590 (1983) (4)
- The solar-stellar connection: the relationship between flaring rates, flare power, and quiescent X-ray background (1988) (4)
- Considerations for the use of PV and PT for sea water desalination: the viability of floating solar for this application (2020) (4)
- On the Existence of a Purely Radiative Temperature Rise in the Solar Chromosphere (1970) (4)
- Advanced process control based on lithographic defect inspection and reduction (2000) (3)
- Lithography process control and optimization based on defect capture and reduction (2000) (3)
- Comparison of the electrophotographic properties of a family of hydrazone charge-transport molecules (1990) (3)
- The eclipsing variable GL Carinae. (1955) (3)
- Highly sensitive absorption measurements in organic thin films and optical media (1991) (3)
- PV technology roadmap: Market and manufacturing considerations (2010) (3)
- Population Differences among Bright G Dwarfs and CA II Emission Reversals. (1965) (3)
- Preliminary results from the HAO/NSO Advanced Stokes Polarimeter prototype observing run. (1991) (3)
- Field azimuth disambiguation using ambiguity-free currents (1996) (3)
- INTEGRAL EQUATION FOR THE LINE SOURCE FUNCTION AND ITS NUMERICAL SOLUTION. (1967) (2)
- Constraints Imposed by the Square-root Spin-down Law on Coronal Wind Parameters (2019) (2)
- Highly Sensitive Absorption Measurements in Organic Thin Films: Charge Transfer Complexes and Light-Induced Changes (1991) (2)
- Stability and Performance Issues for Nonlinear Optical Chromophores, Polymers and Devices (1995) (2)
- Physical models of solar and stellar spots (1992) (2)
- Vibrational overtones in organic thin films: a novel structural probe (1993) (2)
- Methodology for yield analysis based on targeted defect impact studies (2001) (2)
- A comparison of inspection strategy models for optimized tool utilization (2000) (2)
- The inference of vector magnetic fields from polarization measurements with limited spectral resolution (1985) (2)
- Stokes Inversion in the Presence of Canopy-Like Structures and Unresolved Flux-Tubes (1992) (2)
- Micro-grid and DG expansion: Key role of storage, projected global demand (2016) (2)
- In-tool process control for advanced patterning based on integrated metrology and tool-level data stream analysis (2004) (2)
- Methodology for targeted defect reduction and inspection optimization (2002) (2)
- New growth markets for PV: Micro-grids in developing countries - A case study (2012) (2)
- Radiative Transfer Diagnostics: Understanding Multi-Level Transfer Calculations (1985) (2)
- Broadening of H and K Emission Cores and the Wilson-Bappu Effect. (1967) (1)
- Influence of dangling bond defects on recombination in a-Si:H (1985) (1)
- Periodic temporal phenomena in the solar chromosphere as observed from OSO-8 (LPSP). (1976) (1)
- Methodology for defect impact studies under conditions of low electrical testing coverage (2002) (1)
- Vibrational Overtone Spectra in Polymeric Thin Films (1991) (1)
- I. Properties at the site of emergence (1998) (1)
- Non-LTE diagnostics (1977) (1)
- PV and Hybridization for Micro-Grid Applications: Need for Islanding Even with Grid Access (2011) (1)
- Concerning population groups among G and K stars (1953) (1)
- Vertical Integration in the PV Industry: 2010 and beyond (2009) (1)
- Least squares inversion of Stokes profiles in the presence of velocity gradients (1985) (1)
- The effect of line damping, magneto-optics and parasitic light on the derivation of sunspot vector magnetic fields (1985) (1)
- ‘オン‐ザ‐フライ’自動欠陥分類の使用による歩留向上 (1999) (1)
- Surface light-induced changes in thin polymer films (1994) (1)
- Doppler Shifts measured in 0 VI line from OSO-B observations above and in the vicinity of plage Mc Math 13738. (1978) (1)
- A Comparison of the 19 April 1977 Two Ribbon Disk Flare with X-ray Flares Observed at the Limb (1979) (1)
- Frequency-Dependent Line Source Functions. (1968) (1)
- Chromospheric (Ca+KH) and Coronal (X-ray) Activity-Rotation Relations In Late-Type Spectroscopic Binaries and Main Sequence Stars. (1979) (1)
- PV vs CPV and CSP: A Comparative Analysis of Technologies and Cost Roadmaps (2010) (1)
- Line Formation in Multidimensional Media (1969) (1)
- Materials considerations for PV markets: Guideposts for technology directions (2010) (1)
- Optical Tomography of a Sunspot: Preliminary Results (1997) (1)
- Line Formation in Multi-Dimensional Media. (1970) (1)
- Mitigating Impurity Levels in Crystal Growth for c-Si: Implications for Improved Cell Efficiencies and Lower $/W Production (2011) (1)
- On the Application of the Newton-Raphson Method to Non-Linear Line Transfer (1968) (1)
- Modelling Solar Spectral Irradiance Variations at Ultraviolet Wavelengths (1984) (1)
- Non-LTE effects for He I in early B type stars (1971) (1)
- The rapidly-rotating field M-dwarf Gliese 890 (1984) (1)
- Inversion Techniques Applied to Sunspot Spectropolarimetric Data (1997) (1)
- First Results from the Advanced Stokes Polarimeter (1992) (1)
- Early Results from the HAO/NSO Advanced Stokes Polarimeter (1993) (1)
- Characteristic Relaxation Times for Non-LTE Atmospheres. (1975) (1)
- In-Line Metrology for Cell Processing with a Focus on Micro-Cracks: Comparative Analysis and Cost Benefit (2010) (0)
- On the Empirical Determination of Doppler Widths. (1968) (0)
- Velocity and Field Gradient Corrections to the Rachkovsky Inversion for Magnetic Atmospheres (2001) (0)
- Circumstellar CAII K Lines in g, K and M Giants and Supergiants (1970) (0)
- A Model for the Penetration of Lyman Alpha in the Solar Chromosphere (1988) (0)
- Chromospheric Activity as a Function of Age in Main-Sequence Stars (1966) (0)
- On the Application of an Operator Formalism and the Generalized Newton-Raphson Method in Radiative Transfer (1971) (0)
- Lawrence Berkeley Laboratory INFLUENCE OF DANGLING BOND DEFECTS ON RECOMBINATION IN a-Si:H TWO-WEEK LOAN (2013) (0)
- Evolving paradigm for fab revenue optimization (2002) (0)
- On the use of AI as a requirement for improved insolation forecasting accuracy to achieve optimized PV utilization (2021) (0)
- Re-evaluating impurity levels in crystal growth for C-SI: Considerations for growing ingots with reduced impurities for higher cell efficiencies (2011) (0)
- Fluorescence-induced surface inhomogeneities and ejection and trapping of plasma by the K dwarf component of V471 Tauri (1992) (0)
- Plasma Generation for Strip Applications: Micro-Wave vs RF Generation - Comparisons, Advantages and Trade-Offs (2005) (0)
- Material Characteristics of Sputtered Ta and TaAl Thin Films Used in Thermal Ink Jet Devices (1998) (0)
- Extended Temperature Minima of Sunspot Umbrae (1986) (0)
- PV in the Micro-Grid Context: Concepts and Specific International Case Studies as Models of Implementation (2010) (0)
- Chromospheric response during the gamma ray flare on March 10, 1989. (1990) (0)
- PV Module Manufacturing: Use of Proven Best Practices for Optimized Volume Production (2010) (0)
- Properties of a Rapidly Rotating DME Star & of H-Alpha Anomalous Low-Mass Stars (1984) (0)
- An empirical view of the chromospheric temperature structure above a sunspot umbra (1981) (0)
- Thermo-convection in a polytropic atmosphere. (1955) (0)
- Rapid Thermal Annealing Effects in InxGal−xAs/GaAs Strained-Layer Superlattices (1991) (0)
- The Lyman α line in the solar chromosphere: penetrative model andapproximations. (1987) (0)
- "Underluminous" Lyman-alpha Emission Associated with Active-Region Magnetic Canopy (1987) (0)
- PV CPV CSP vs Storage: Intermittancy and Dispatchability as Potential Limitations To PV Growth (2011) (0)
- Methodology for defect impact studies under conditions of low sampling statistics (2002) (0)
- Developing Market Opportunities for Flexible Rooftop Applications of PV Using Flexible CIGS Technology: Market Considerations (2011) (0)
- On The Broad-Band Circular Polarization Signature of Sunspots (1985) (0)
- Vector field structure of a small sunspot (1994) (0)
- On the Representation of the Lambda Operator in the Integral Equation (Green's Function) Approach to Non-LTE Spectral Line Formation. (1973) (0)
- Drivers and a Case Study for Minigrid Implementations: Expanding Markets for PV (2012) (0)
- Addressing socially destructive disinformation on the web with advanced AI tools: Russia as a case study (2023) (0)
- OSO-8 Measurements of Velocity Signature of Flare Kernels (1990) (0)
- Novel Back Surface Field (BSF) structure formation by modified solution derived nanocomposite (SDN) method for low cost new cell concept implementation (2010) (0)
- Spatially-resolved investigation of transport in semiconductors: A photothermal deflection approach (1985) (0)
- H alpha Variability on HK Aqr: Coronal Condensations or Plages? (1994) (0)
- On the Universality of the Leading Orders of PCA. Spectral Eigenprofiles for the Sun. (2002) (0)
- Methodology of a short-loop yield analysis for defect impact studies (2001) (0)
- A Low-Cost Power-Smoothing Solution to Mitigate PV Intermittency (2013) (0)
- Description and operation of CHISQMO, INVRTS, VOIGEN, VOIGTV, SMEAR, RUFF, AND POSCAR in the Stokes Analysis Program (1985) (0)
- List of Contributors (2019) (0)
- Magnetic Configuration of a Short-Lived Delta SPOT (1994) (0)
- Pressure-Magnetic Field Scaling Law for Sunspots and Starspots (1990) (0)
- A New Method for Initializing Non-LTE Statistical Equilibrium Problems. (1973) (0)
- Extreme-Ultraviolet Observations of New Cycle Sunspots with the LPSP Spectrometer from OSO-8 (1977) (0)
- THE EFFECT OF COMPENSATION ON PHOTO-INDUCED METASTABLE STATES IN a-Si:H (1983) (0)
- The K2-dwarf V471 TAU: a Stellar Version of Solar Variability (1984) (0)
- Stokes Asymmetries & Gradient Corrections to Milne-Eddington Atmospheres (2000) (0)
- The developing need for AI and Machine Learning to optimize PV for increased adoption (2020) (0)
- The effect of extremely rapid rotation on stellar activity: The case of gliese 890 (1986) (0)
- The solar-stellar connection: the relationship between flaring rates, flare power and quiescent X-ray background. (1989) (0)
- The need for AI to optimize dual-use PV installations to extract maximum value (2021) (0)
- Synthesis and Inversion of the Chromospheric Mg I ????-Line Stokes Profiles (1987) (0)
- Temperature-Field Relation and Current Distribution in the Return-Flux Model (1981) (0)
- THE EFFECTS OF DOPANTS AND DEFECTS ON LIGHT-INDUCED METAASTABLE STATES IN HYDROGENATED AMORPHOUS SILICON (1983) (0)
- Fluorescence-Induced Chromospheric Emission in the Binary V471 TAU (1986) (0)
- Progress in Thin Film Encapsulation Technology – Advanced Moisture Barriers Films (2011) (0)
- Novel TCO Deposition Technology for Improved PV-Cell Performance at Lower Cost (2010) (0)
- Plasma Optimization Usinga Real-Time, Insitu Sensor BASED on Optical and RF Signatures: Advanced ETCH Applications (2005) (0)
- SUNSPOT MODELING AND SCALING LAWS (2003) (0)
- Absorption Line Profiles for Differentially Rotating Stellar Models (2007) (0)
- Preface (2019) (0)
- Magnetic Field Generation in the Overshoot Region Beneath the Solar Convection Zone (1987) (0)
- Achieving significant cost reduction in solar through the targeted use of AI and Machine Learning (2021) (0)
- On the Invariance of PCA Quick-Look Polarization Analysis to Different Magnetic Activity Samples (2003) (0)
- Challenges and Prospects for the Future (2019) (0)
- Optical Spectra of Fullerenes: C 60 a new amorphous semiconductor? (1992) (0)
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Andrew Skumanich is affiliated with the following schools: