Neil Ashby
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Physicist from the United States
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Physics
Neil Ashby's Degrees
- PhD Physics University of Colorado Boulder
- Masters Physics University of Colorado Boulder
- Bachelors Physics University of Colorado Boulder
Why Is Neil Ashby Influential?
(Suggest an Edit or Addition)According to Wikipedia, Neil Ashby is an American physicist. He attended Dalhart High School, graduating in 1951. He received his B.A. degree in physics from the University of Colorado, Boulder, in 1955, and the M.S. and Ph.D. degrees from Harvard University, Cambridge, Massachusetts in 1956 and 1961, respectively. After spending a year in Europe as a postdoctoral fellow, he joined the faculty of the department of physics at the University of Colorado in 1962. He has been a professor of physics there since 1970, and was department chair from 1984 to 1988. He is currently professor emeritus – theoretical math-physics at the University of Colorado.
Neil Ashby'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
- Relativity in the Global Positioning System (2003) (473)
- Relativity and the Global Positioning System (2002) (194)
- Precision atomic spectroscopy for improved limits on variation of the fine structure constant and local position invariance. (2007) (186)
- First accuracy evaluation of NIST-F2 (2014) (154)
- Testing local position invariance with four cesium-fountain primary frequency standards and four NIST hydrogen masers. (2007) (81)
- Around-the-World Relativistic Sagnac Experiment (1985) (70)
- Practical implications of relativity for a global coordinate time scale (1979) (70)
- Accuracy of International Time and Frequency Comparisons via Global Positioning System Satellites in Common-View (1985) (55)
- Discrete simulation of power law noise (2011) (54)
- The Sagnac Effect in the Global Positioning System (2004) (43)
- Brachistochrone with Coulomb friction (1975) (42)
- Relativistic perturbations of an earth satellite (1984) (42)
- Future gravitational physics tests from ranging to the BepiColombo Mercury planetary orbiter (2007) (40)
- Space-based research in fundamental physics and quantum technologies (2007) (40)
- An assessment of relativistic effects for low Earth orbiters: the GRACE satellites (2007) (40)
- Topographic-pattern-induced homeotropic alignment of liquid crystals. (2009) (39)
- Accurate light-time correction due to a gravitating mass (2009) (37)
- Thomson’s problem (1986) (31)
- Power dependence of distributed cavity phase-induced frequency biases in atomic fountain frequency standards (2005) (31)
- Relativistic effects in the global positioning system (2012) (28)
- Coordinate Time On and Near the Earth (1984) (28)
- A null test of general relativity based on a long-term comparison of atomic transition frequencies (2018) (27)
- Review: Experiments in Fundamental Physics Scheduled and in Development for the ISS (2004) (27)
- Gravity, Geodesy and Fundamental Physics with BepiColombo’s MORE Investigation (2021) (26)
- Minimum Uncertainties in Position and Velocity Determination using x-ray Photons From Millisecond Pulsars (2008) (24)
- Canonical planetary perturbation equations for velocity-dependent forces, and the Lense-Thirring precession (1993) (23)
- Recent atomic clock comparisons at NIST (2008) (22)
- High-accuracy measurement of the blackbody radiation frequency shift of the ground-state hyperfine transition in 133Cs. (2014) (21)
- Electric and Magnetic Translation Group (1965) (21)
- Gravitational wave reception by a sphere (1975) (20)
- SHIFTS OF ELECTRON BEAM POSITION DUE TO TOTAL REFFLECTION AT A BARRIER. (1972) (20)
- PARCS: NASA’s laser-cooled atomic clock in space (2004) (20)
- Optical Fiber Vibration and Acceleration Model (2007) (19)
- Measurement of the Shapiro Time Delay Between Drag-Free Spacecraft (2008) (19)
- Conceptual design for a mercury relativity satellite (1989) (19)
- Relativity in the future of engineering (1993) (18)
- Shifts of Light Beams Due to Total Internal Reflection (1973) (17)
- Applied general relativity (1989) (17)
- Precision measurement of the speed of propagation of neutrinos using the MINOS detectors (2015) (17)
- Cancellation of Vibration-Induced Phase Noise in Optical Fibers (2008) (17)
- SEMISTATISTICAL MODEL FOR ELECTRONS IN ATOMS. (1970) (16)
- PARCS: a Primary Atomic Reference Clock in Space (1999) (16)
- Principles of Modern Physics (2019) (16)
- The effect of the motion of the Sun on the light-time in interplanetary relativity experiments (2007) (15)
- Relativistic theory of the falling retroreflector gravimeter (2017) (14)
- Incorporating an Optical Clock Into a Time Scale (2017) (14)
- Measurement of the Velocity of the Neutrino with MINOS (2014) (13)
- Active Vibration-induced PM Noise Control in Optical Fibers: Preliminary Studies (2007) (12)
- A picosecond accuracy relativistic VLBI model via Fermi normal coordinates (1991) (12)
- General Relativity and Gravitation, 1989 (1990) (11)
- Relativistic theory of the spherical electrostatic analyzer (1958) (11)
- Relaxation of charge imbalances in conductors (1975) (10)
- Probability distributions and confidence intervals for simulated power law noise (2015) (10)
- Global Positioning System Receivers and Relativity (2017) (9)
- Relativity and Timing in X-ray Pulsar Navigation (2006) (9)
- Vibration-induced PM noise measurements of a rigid optical fiber spool (2008) (9)
- Frequency shifts in NIST Cs Primary Frequency Standards due To Transverse RF Field Gradients (2014) (9)
- Measurement of gravitational time delay using drag-free spacecraft and an optical clock (2009) (9)
- Vibration Sensitivity of Microwave Components (2007) (9)
- Parcs:. a Laser-Cooled Atomic Clock in Space (2002) (8)
- ULTRA-ACCURATE INTERNATIONAL TIME AND FREQUENCY COMPARISON VIA AN ORBITING HYDROGEN-MASER CLOCK (1981) (8)
- On the power dependence of extraneous microwave fields in atomic frequency standards (2005) (8)
- Interference theory of reflection from multilayered media (1977) (7)
- Comment on "Ramsey spectroscopy, matter-wave interferometry, and the microwave-lensing frequency shift" (2015) (7)
- General relativity: Frame-dragging confirmed (2004) (7)
- Testing relativity with a laser-cooled cesium clock in space (1998) (7)
- Coordinate time in the vicinity of the Earth (1985) (7)
- Relativistic red shift with 1 ? 10?16 uncertainty at the NIST, Boulder (2000) (6)
- Fine-tuning time in the space age (1998) (6)
- Global Positioning System Receivers and Relativity | NIST (1999) (6)
- PARCS: PRIMARY ATOMIC REFERENCE CLOCK IN SPACE (2000) (6)
- First Accuracy Evaluation of NIST-F2 | NIST (2014) (5)
- Endcaps for TE 01 Cavities in Fountain Frequency Standards (2003) (5)
- Planetary perturbation equations based on relativistic Keplerian motion (1985) (5)
- Endcaps for TE/sub 01/ cavities in fountain frequency standards (2003) (5)
- Synchronization between Remote Sites for the MINOS Experiment (2012) (5)
- ENERGY BALANCE ON THE LUNAR SURFACE (1966) (5)
- Reply to ‘No correction for the light propagation within the cube: Comment on Relativistic theory of the falling cube gravimeter’ (2018) (5)
- Relativity in GNSS (2014) (5)
- Why there is no noon-midnight red shift in the GPS (2013) (5)
- The global positioning system, relativity, and extraterrestrial navigation (2009) (5)
- Design studies for a laser-cooled space clock (1998) (4)
- Reply to ‘Comment on Relativistic theory of the falling cube gravimeter’ (2018) (3)
- Calibration uncertainty for the NIST PM/AM noise standards (2012) (3)
- Frequency Biases Associated with Distributed Cavity Phase and Microwave Leakage in the Atomic Fountian Primary Frequency Standards IEN-CSF1 and NIST-F1 (2005) (3)
- Confidence Estimates in Simulation of Phase Noise or Spectral Density (2017) (3)
- A laser-cooled Atomic Clock in Space (2000) (3)
- Simulations of the Hadamard Variance: Probability Distributions and Confidence Intervals (2016) (3)
- GNSS and other applications of General Relativity (2015) (2)
- Improved Limits on Variation of the Fine Structure Constant and Violation of Local Position Invariance (2007) (2)
- Relativistic effects in earth-orbiting Doppler lidar return signals. (2007) (2)
- A novel concept for the direct intercomparison of the Allan Variance of frequency standards at the 10-18 level with application to metrology, global communication and navigation. (1997) (2)
- Reply to ‘Dynamic phase shift within a falling glass cube is negligible: comment on ‘Relativistic theory of the falling cube gravimeter’’ (2018) (2)
- General relativity and gravitation, 1989 : proceedings of the 12th International Conference on General Relativity and Gravitation, University of Colorado at Boulder, July 2-8, 1989 (1990) (2)
- Testing local position invariance with four Cesium primary frequency standards and four NIST Hydrogen masers (2007) (1)
- Views from a distant past (1990) (1)
- Second-order Corrections to Time Delay and Deflection of Light Passing near a Massive Object (2008) (1)
- Navigation and timing accuracy at the 30 centimeter and subnanosecond level (1996) (1)
- Transverse shifts of light due to combined internal and metallic reflection (1976) (1)
- Limited live-time measurements of frequency spectra (2011) (1)
- Reply to a comment by S. Svitlov on "Relativistic Theory of the Falling Cube Gravimeter" (2017) (1)
- Relativistic Effects on SV Clocks Due to Orbit Changes, and Due to Earth's Oblateness (2001) (1)
- Preliminary study on the vibration sensitivity performance of microwave components (2007) (1)
- An Earth-Based Coordinate Clock Network (2017) (1)
- Measurement of the Microwave Lensing shift in NIST-F1 and NIST-F2 (2015) (1)
- Alternative gravity theories (1990) (1)
- Optical Clock and Drag-Free Requirements for a Shapiro Time-Delay Mission (2011) (1)
- INTERNATIONAL SCHOOL ON ASTROPHYSICAL RELATIVITY «JOHN ARCHIBALD WHEELER» 1st Course: DEVELOPMENTS OF 50 YEARS IN ASTROPHYSICAL RELATIVITY: FRAME-DRAGGING, GRAVITATIONAL-WAVES AND GRAVITATIONAL TESTS (2006) (1)
- A null test of General Relativity: New limits on Local Position Invariance and the variation of fundamental constants (2017) (1)
- A Laser-Cooled Frequency Standard for GPS (2011) (1)
- Residual Vibration-Induced Pm Noise of a Rigid Optical Fiber Spool (2008) (1)
- Astrophysical and observational cosmology (1990) (1)
- GPS Receivers and Relativity (1997) (1)
- Progress on PARCS (2000) (1)
- Reply to Comment on "No correction for the light propagatiobn within the cube" Comment on "Relativistic theory of the falling retroreflector gravimeter" | NIST (2018) (0)
- General Relativity and Gravitation, 1989: Conference committees (1990) (0)
- Book-Review - General Relativity and Gravitation (1992) (0)
- Why there is no noon-midnight red shift in the GPS | NIST (2013) (0)
- Isosynchronous Paths on a Rotating Surface (2014) (0)
- Foundations of mechanics (1966) (0)
- Quantum Mechanical Study of Plasmas. Part I. Interaction of Waves with Plasma Density Gradients. (1970) (0)
- A null test of general relativity based on a long-term comparison of atomic transition frequencies (2018) (0)
- Can GPS Test Gravity’s Speed of Propagation? (2002) (0)
- Study of waves at a plasma vacuum boundary (1971) (0)
- STATISTICAL MODELS OF ELECTRONS IN ATOMS. (1970) (0)
- A U.S. Laser-Cooled Atomic-Clock System for Space (2001) (0)
- Global properties of solutions to Einstein's equations (1990) (0)
- Science Goals of the Primary Atomic Reference Clock in Space (PARCS) Experiment (2003) (0)
- Quasi-inertial Coordinates (2010) (0)
- Study of radiative aspects of lunar materials Final report, 26 Apr. 1966 - 26 Jan. 1967 (1967) (0)
- Electrostatic forces for personnel restraints (1977) (0)
- Radiative aspects of lunar materials Final report (1968) (0)
- Derivation of Single-Band Effective Hamiltonian (1970) (0)
- Limited Live-time (2011) (0)
- BOOKS: Principles of Physics: A Programmed Approach, Vol. I: Foundations of Mechanics, Vol. II: Mechanics and Thermodynamics (1967) (0)
- Testing Local Position Invariance with Four H Masers and Four Cs Fountains (2007) (0)
- 1993 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM RELATIVITY IN THE FUTURE OF ENGINEERING (1993) (0)
- Characterizing Dynamic Effects of Oscillator Power Cycling | NIST (2011) (0)
- QUANTUM MECHANICAL STUDY OF THE VISCOSITY OF GASES (1961) (0)
- A Laser-Cooled Frequency Standard for GPS | NIST (2011) (0)
- Relativistic theory of the falling cube gravimeter ∗ (2018) (0)
- Out of this world: The future of atomic clocks (2003) (0)
- Mechanics and thermodynamics (1966) (0)
- 0. Conclusions Relativistic Effects in the Global Positioning System 27 (2000) (0)
- Comparison of relativistic effects in barycentric and Earth-centered coordinates and implications for determination of GM for Earth (1987) (0)
- Falling Atoms (2021) (0)
- Towards 10 Millimetre Real-Time Position Determination and 30 Picosecond Time-Transfer Capability With the Next-Generation of Global Navigation Satellite Systems (GNSS) (1996) (0)
- QUANTUM-MECHANICAL STUDY OF PLASMAS. PART I. INTERACTION OF WAVES WITH PLASMA DENSITY GRADIENTS. Final Report. (1970) (0)
- Quantum Mechanical Study of Plasmas. Part II. (Application of Floquet Theory to the Calculation of Resonance Frequencies and Dispersion Relations). (1970) (0)
- Gravity, Geodesy and Fundamental Physics with BepiColombo’s MORE Investigation (2021) (0)
- Comparison of Open and Solid Falling Retroreflector Gravimeters (2019) (0)
- Initial Study of the Distributed Cavity Phase Shift for the New Microwave Cavities of Cs Fountains at NIST (2022) (0)
- QUANTUM MECHANICAL STUDY OF PLASMAS. Final Scientific Report. (1968) (0)
- Principles of Physics, Vol. I: Foundations of Mechanics and Principles of Physics, Vol. II: Mechanics and Thermodynamics (1968) (0)
- Recent atomic clock comparisions at NIST | NIST (2008) (0)
- Introductory modern physics experiments (1971) (0)
- QUANTUM MECHANICAL STUDY OF PLASMAS. (1968) (0)
- Vibration-induced PM Noise of A Rigid Optical Fiber Spool | NIST (2008) (0)
- General Relativity and Gravitation, 1989: Relativistic astrophysics, early universe, and classical cosmology (1990) (0)
- Relativistic canonical planetary perturbation equations for momentum‐dependent forces, and the Lense‐Thirring precession (2007) (0)
- STATISTICAL ATOM MODEL BASED ON A LOCAL COULOMB APPROXIMATION. (1971) (0)
- Annual Precise Time and Time Interval ( PTTI ) Systems and Applications Meeting 353 CHARACTERIZING DYNAMIC EFFECTS OF OSCILLATOR POWER CYCLING (2012) (0)
- Black hole perturbation theory : developed by Regge-Wheeler ( 1957 ) and Zerilli ( 1970 ) Einstein field equations (2009) (0)
- A null test of General Relativity : New limits on Local Position Invariance and the variation of QCD scaled quark mass (2018) (0)
- A null test of General Relativity: Long-term comparison of H-masers and Cs-fountains (2017) (0)
- Accuracy of gravitational physics tests using ranges to the inner planets (1981) (0)
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