Y. P. Varshni
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Canadian-Indian astronomer
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Physics
Y. P. Varshni's Degrees
- PhD Physics University of British Columbia
- Masters Physics University of British Columbia
- Bachelors Physics Delhi University
Why Is Y. P. Varshni Influential?
(Suggest an Edit or Addition)According to Wikipedia, Y. P. Varshni is a scientist in the areas of physics and astrophysics. Varshni studied at Allahabad University, where he obtained his BSc in 1950, his MSc in 1952, and his PhD in 1956. He published his first research paper in 1951 at the age of 19. He served as an assistant professor in the Physics Dept., Allahabad University for the period 1955–60.
Y. P. Varshni'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
- Temperature dependence of the energy gap in semiconductors (1967) (3866)
- Temperature Dependence of the Elastic Constants (1970) (587)
- Comparative Study of Potential Energy Functions for Diatomic Molecules (1957) (315)
- Band-to-Band Radiative Recombination in Groups IV, VI, and III-V Semiconductors (II) (1967) (120)
- Energies of s Eigenstates in a Static Screened Coulomb Potential (1971) (111)
- Lattice dynamics of III–V compounds (1969) (82)
- New class of conditionally exactly solvable potentials in quantum mechanics (1995) (80)
- An improved calculation for screened Coulomb potentials in Rayleigh-Schrodinger perturbation theory (1985) (66)
- Alkali Hydride Molecules: Potential Energy Curves and the Nature of their Binding (1963) (63)
- LETTER TO THE EDITOR: Accurate wavefunctions for the confined hydrogen atom at high pressures (1997) (63)
- Potential energy functions for alkali halide molecules (1965) (58)
- Critical cage radii for a confined hydrogen atom (1998) (56)
- BOUND EIGENSTATES OF THE EXPONENTIAL COSINE SCREENED COULOMB POTENTIAL. (1972) (50)
- Exact solutions for polynomial potentials using supersymmetry inspired factorization method (1989) (50)
- Effect of an intense laser field on donor impurities in spherical quantum dots (2001) (48)
- Dipole polarizability of hydrogen atom at high pressures (2001) (47)
- An effective ion–ion potential for sodium (1970) (47)
- New Potential Function for Alkali Halide Molecules (1961) (45)
- Shifted 1/N expansion and exact solutions for the potential V(r)=-Z/r+gr+λr2 (1988) (42)
- Angular Forces in the Lattice Dynamics of Face-Centered Cubic Metals. II (1967) (42)
- Debye temperatures for hexagonal crystals (1981) (41)
- Accurate wavefunctions for hydrogenic donors in GaAs(Ga,Al)As quantum dots (1999) (37)
- Correlation of Molecular Constants. II. Relation between Force Constant and Equilibrium Internuclear Distance (1958) (37)
- A simple description of the spectra of confined hydrogen, helium, and lithium (2004) (36)
- Simple wavefunction for an impurity in a parabolic quantum dot (1998) (33)
- Lattice Dynamics and Thermodynamic Properties of -ZnS, GaP and -SiC (1971) (32)
- IS SHAPE INVARIANCE ALSO NECESSARY FOR LOWEST ORDER SUPERSYMMETRIC WKB TO BE EXACT (1989) (31)
- Ionization energy of the helium atom in a plasma (1983) (30)
- Band-to-Band Radiative Recombination in Groups IV, VI, and III-V Semiconductors (I) (1967) (29)
- Accurate eigenvalues and oscillator strengths for the exponential-cosine screened Coulomb potential (1983) (29)
- Energy levels and oscillator strengths for the exponential-cosine screened Coulomb potential in the shifted large-dimension expansion theory (1986) (29)
- Properties of Confined Hydrogen and Helium Atoms (2009) (29)
- Rydberg Function as an Interatomic Potential for Metals (1963) (27)
- Four-term WKBJ approximation and its application to Varshni V and Lennard-Jones potentials (1980) (26)
- Eigenvalues of an anharmonic oscillator. II (1981) (25)
- Classical theory of alkali halide molecules (1957) (25)
- Debye temperatures of 24 cubic elements by three methods (1969) (23)
- An analytic approximation for the energy levels of neutral atoms (1983) (22)
- Temperature Dependence of Viscosity of Oils (1958) (22)
- The first three bound states for the potential V(r) = ar2 + br-4 + cr-6 (1993) (22)
- Exact solutions for nonpolynomial potentials in N‐space dimensions using a factorization method and supersymmetry (1991) (22)
- Binding energy of a screened donor in a spherical quantum dot with a parabolic potential (2001) (21)
- Vibrational and rovibrational eigenenergies for Lennard-Jones potentials (1987) (21)
- On a Potential‐Energy Function (1964) (21)
- Shifted 1/N expansion for confined quantum systems (2000) (20)
- Comparative study of the bound states of static screened Coulomb and cut-off Coulomb potentials (1984) (20)
- Bound s-state energies for the static screened Coulomb potential (1976) (19)
- Shifted large-N expansion for the energy levels of neutral atoms (1986) (18)
- Third-order WKBJ eigenvalues for Lennard-Jones and Varshni V potentials (1978) (18)
- Splitting in a double-minimum potential with almost twofold degenerate lower levels (1989) (18)
- Binding Energies of Positron to F and F′ Colour Centres in Alkali Halides (1978) (18)
- Spectrum of helium at high pressures (2003) (17)
- On the averaging of energy eigenvalues in the supersymmetric WKB method (1988) (17)
- Shifted 1/N expansion for the energy levels of laser-dressed Coulomb potential of the hydrogen atom (1985) (16)
- Viscosity-Temperature Relation for Solutions. (1961) (16)
- Variation of dielectric constant with temperature (1956) (16)
- Alternative explanation for the spectral lines observed in quasars (1975) (15)
- How good is the supersymmetry-inspired higher-order WKB approximation? (1987) (15)
- X‐ray Debye temperature for hexagonal crystals (1982) (15)
- Correlation of Molecular Constants. I. Deduction of Relations (1958) (14)
- The red shift hypothesis for quasars: Is the earth the center of the universe? (1976) (14)
- Endohedral vibrations of Na+ and K+ in C60 (2001) (14)
- Five‐term WKBJ approximation (1980) (14)
- Approximations for the inner branch of potential curves of diatomic molecules (1988) (13)
- Relative convergences of the WKB and SWKB approximations (1992) (13)
- Systematics of spectroscopic constants of homonuclear diatomic molecules (2007) (13)
- CORRIGENDUM: Shifted 1/N expansion and scalar potential in the Dirac equation (1987) (13)
- Wentzel–Kramers–Brillouin quantization rules for two-dimensional quantum dots (2003) (13)
- Hydrogenic system in an off-centre confining oscillator potential (2004) (13)
- Influence of the static electron gas screening function on the lattice dynamics of sodium (1970) (13)
- Laser action in stellar envelopes (1976) (12)
- High‐precision determination of the critical screening length for the static screened Coulomb potential (1978) (12)
- High-accuracy eigenvalues for the static screened Coulomb potential (1979) (12)
- Lattice Vibrations and Debye Temperatures of Copper and Aluminum (1965) (12)
- Debye Temperatures of Alkali Halides (1971) (11)
- Evaluation of ωexe from three constant potential energy functions (1961) (11)
- Lattice Dynamics of Diamond (1967) (11)
- Ovi and Heii emission lines in the spectra of quasars (1977) (11)
- No Redshifts in Quasi-Stellar Objects. (1974) (10)
- SUPERSYMMETRIC MODIFIED AIRY-FUNCTION METHOD AND ITS APPLICATION TO THE SCHRODINGER POTENTIAL V(X) = X6 - 3X2 (1996) (10)
- SUSY Superpotentials for a Confined HULTHÉN Potential (2004) (10)
- THERMODYNAMICS OF ANHARMONIC CRYSTALS (1969) (10)
- Laser action in stellar envelopes (1986) (10)
- Some features of the davydov-filippov model (1970) (9)
- ON QUASI-EXACTLY SOLVABLE PROBLEMS AND SUPERSYMMETRY (1991) (9)
- Chance coincidences in the absorption-line spectrum of 4C 05.34 (1974) (8)
- Improved variational solution of the Thomas-Fermi equation for atoms (1981) (8)
- Large-amplitude ion-acoustic double layers in a plasma with warm ions (1990) (8)
- WKB approximation for the rotating Morse oscillator (1993) (7)
- Critical Temperatures of Normal Paraffins (1954) (7)
- Analysis of ghost spectra which simulate the absorption-line spectrum of 4C 05.34. (1975) (7)
- Determination of αe and ωeye from potential energy functions for diatomic molecules (2008) (7)
- Improved Rayleigh-Schrodinger perturbation theory for the bound states of the Hellmann potential (1987) (7)
- Relation between Critical Temperature and Pressure of Normal Paraffins (1953) (7)
- Binding energy of a hydrogenic impurity in a 2D circular quantum dot (2001) (7)
- Supersymmetric WKB approach to tunneling through a one-dimensional barrier (1994) (6)
- Extension of Fuda’s off‐shell analysis to screened Coulomb potentials for arbitrary l and limiting relations (1983) (6)
- MAF solution for bounded potential problems (1998) (6)
- Transport Phenomena in Completely Ionized Gas Considering Electron-Electron Scattering (1958) (6)
- Viscosity of Normal Paraffins (1959) (6)
- Neutron–Proton Interaction (1958) (6)
- Scaling Relation For The Energy Levels Of A Hydrogen Atom At High Pressures (2002) (6)
- On screening constants in X-ray spectra (1956) (6)
- A GAUSSIAN APPROACH TO SINE GORDON THEORY AT FINITE TEMPERATURE (1989) (5)
- On Flammersfeld's Range-Energy Relation for Electrons (1959) (5)
- Stability of two-electron bound states in a model quantum wire (1995) (5)
- Comparison of Three Equations for the Spacing of Nuclear Levels (1961) (5)
- Thermodynamic properties of cuprous chloride (1971) (5)
- Trions in CuCl, CuBr and CuI (2001) (5)
- Semiempirical Formula for the Energy Levels of Even-Even Nuclei (1968) (5)
- Electron density in the emission-line region of Wolf-Rayet stars (1978) (5)
- An improved analytic condition for the absence of bound states in a potential (1985) (5)
- Excited States of Biexcitons (2001) (5)
- Supersymmetric WKB phase shifts for a complex potential (1995) (4)
- The quantum pendulum in the WKBJ approximation (1982) (4)
- Remarks on negative energy states in supersymmetric quantum mechanics (1988) (4)
- Chance coincidences and the so-called redshift systems in the absorption spectrum of PKS 0237-23 (1981) (4)
- Semi-classical approximations for the energy levels of a two-term inverse power potential (1992) (4)
- WKBJ eigenenergies for the kratzer—fues potential (1982) (4)
- ON CONDITIONALLY QUASI-EXACTLY SOLVABLE CLASS OF QUANTUM POTENTIALS (1995) (4)
- Second-Sound Velocities in Cubic Crystals (1972) (4)
- Modified Flammersfeld Range Energy Relation for Electrons (1961) (4)
- ON THE FROST-MUSULIN REDUCED POTENTIAL ENERGY FUNCTION (1961) (4)
- Shell binding energies of neutral atoms: Comparison between theory and experiment (1984) (4)
- WKB quantization rules for three-dimensional confinement (2001) (4)
- Alkali atoms confined to a sphere and to a fullerene cage (2005) (4)
- Critical temperatures of organic compounds from their boiling points (2009) (4)
- On the application of supersymmetric WKB (Wentzel-Kramers-Brillouin) method to quasi-exactly solvable problems (1991) (4)
- Modified shifted 1/N expansion for relativistic Yukawa and Hulthen potentials (1996) (4)
- Multiplet table for Fe III (1979) (3)
- Effects of high pressure on molecular electronic spectra (1984) (3)
- Transport Properties of Nondegenerate n-Type Semiconductors Considering Electron-Electron Scattering (1959) (3)
- Valence charge density in indium arsenide (1985) (3)
- Van der Waals' a and Ionization Potential of Inert Gases (1953) (3)
- Shifted large-N expansion for the power-law potentials in the Klein-Gordon equation with applications (1989) (3)
- The Nature of Nebulosity Around Quasars (1988) (3)
- 1/η expansion for the binding energies of finite-depth potentials (1994) (3)
- Proper Motions and Distances of Quasars (1977) (3)
- Erratum: Five‐term WKBJ approximation [J. Math. Phys. 21, 90(1980)] (1980) (3)
- Intermolecular Potential Function for Helium (1966) (3)
- Critical temperatures of elements from their boiling points (2007) (3)
- Fine Structure of Excitonic Lines in CuCl (1974) (3)
- Critical Temperature and Boiling Point of Normal Paraffins (1953) (3)
- Exact solutions for the potential V(r) = r2 + β/r4 + λ/r6 by supersymmetric quantum mechanics (1995) (3)
- RESEARCH NOTES On Pauling's Theory of Alkali Halide Molecules (1960) (3)
- Dielectric behaviour of organic liquid-water mixtures (1957) (3)
- Supersymmetry-inspired shifted large-N expansions for the energy levels of the static screened Coulomb potential (1988) (3)
- The Redshift Hypothesis and the Plasma-Laser Star Model for Quasi-stellar Objects. (1974) (3)
- Applicability of the special-point method in lattice dynamics (1984) (2)
- Heavy mesons and the charge independence of the nuclear forces (1962) (2)
- Bateson, Frank Maine (2007) (2)
- Identification of lines in the spectrum of the quasar 0420-388 (1989) (2)
- Bound state properties of the Lennard-Jones 8-6 potential (1985) (2)
- A CORRECTION TO THE CALCULATED ENERGIES OF 2p-1s $mu$-MESONIC X-RAYS (1963) (2)
- Application of the shifted large‐N method to the rovibrational spectroscopy of diatomic molecules (1991) (2)
- New asymptotic expression for the average lifetime of hydrogenic levels (1979) (2)
- TWO ANYONS IN A CONSTANT MAGNETIC FIELD: A NONPERTURBATIVE APPROACH (1994) (2)
- Temperature dependence of the Mössbauer effect in 73Ge (1969) (2)
- Dependence of alpha disintegration energy on proton and neutron numbers (1956) (2)
- Erratum : Relation Between Critical Temperature and Pressure of Normal Paraffins (1954) (2)
- DEPENDENCE OF ELECTRON MOBILITY ON MAGNETIC FIELD IN A FULLY IONIZED GAS (1959) (2)
- ON JAMES' TYPE OF WAVE FUNCTIONS FOR HYDROGEN MOLECULAR ION (1960) (2)
- The Uncertainty Principle and the Bohr Theory of the Hydrogen Atom (1954) (2)
- Wave function for the hydrogen molecular ion (1972) (2)
- Birjandi: ҁ Abd al- ҁ Alī ibn Muḥammad ibn Ḥusayn al-Birjandi (2014) (2)
- Symmetry breaking in covalent chiral bond Hsub2, according to accurate vibrational levels from Kratzer bond theory (2009) (2)
- Transport phenomena in nondegenerate semiconductors considering electron-electron scattering (1959) (2)
- The Houston method coefficients in an approximation of the Debye temperature for cubic crystals (1972) (2)
- The quasar 0805+046 as a helium-rich shell star (1985) (2)
- Higher-Order Terms in the Variable Moment-of-Inertia Model (1972) (1)
- Temperature and Concentration of the Dielectric Constant of Mixtures of Organic Liquids and Water (1960) (1)
- On the Krutov model for deformed even-even nuclei (1970) (1)
- Notizen: WKBJ Calculation of the Energy Levels of an Anquartic Potential (1982) (1)
- On the Wu-Yang Potential Energy Function (1959) (1)
- Identification of lines in the spectrum of the quasar 0237–233 (1988) (1)
- Two electrons in a simple harmonic potential (2006) (1)
- Tight bounds for the critical screening parameters of the generalized exponential cosine screened Coulomb potential (1984) (1)
- Some Properties of a Quartic Potential with a Finite Binding Energy (1978) (1)
- TRANSITION QUADRUPOLE MOMENTS AND THE VARIABLE-MOMENT-OF-INERTIA MODEL FOR EVEN--EVEN NUCLEI. (1971) (1)
- Wave functions for the hydrogen atom in a dense plasma (2003) (1)
- Improved condition for the absence of bound states and converging analytic bounds to critical screening parameter (1985) (1)
- Thomas-Fermi Model for Diatomic Hydrides (1956) (1)
- Validity of a new approach to collective nuclear motions (1974) (1)
- On the exchange term in the dielectric constant of metals (1967) (1)
- Hydrogenic system confined to a two-dimensional circular disc (2006) (1)
- Relation between the energy levels of an electron bound in a screened Coulomb potential (2001) (1)
- Exact solution for the ground state of a confined potential (1997) (1)
- Quasi-classical investigation of nonpolynomial central potentials with broken supersymmetry (1997) (1)
- A NEW PARTICLE ACCELERATOR (1957) (1)
- Oscillator strengths for C III lines (1985) (1)
- Bound states for the rotating Rydberg oscillator (1994) (1)
- Electron Shielding in Doped Semiconductors (1971) (1)
- Peaks In Emission Lines In The Spectra Of Quasars (2005) (1)
- On the largest angular size-redshift diagram for quasars (1976) (1)
- LASER ACTION I N STELLAR ENVELOPES (1976) (0)
- More on 1932 (1982) (0)
- Three Additive Functions for the n-Paraffins (1954) (0)
- Landau's equation for the alpha decay intensities (1962) (0)
- Second-sound velocities in hexagonal crystals (1982) (0)
- DRIFT MOBILITY OF ELECTRONS IN ATOMIC HYDROGEN (1959) (0)
- Additive function δ for the normal paraffins (2004) (0)
- Temperature Dependence of Dielectric Constant (1959) (0)
- Excited states of two-dimensional excitons in quantum wells (2002) (0)
- The magnificent mirage of redshifts in quasi-stellar objects. (1974) (0)
- Bar Ḥiyya: Abraham Bar Ḥiyya Savasorda (2007) (0)
- Directive influence of substituents in the benzene ring (1953) (0)
- Geometric-Mean Wave Function for HeH2+ (1972) (0)
- WAVEFUNCTION FOR THE HYDROGEN MOLECULAR ION. (1972) (0)
- Energy spectra of two electrons in a circular quantum dot (2002) (0)
- The red-shift hypothesis for quasars: Is the earth the center of the Universe? (1977) (0)
- Ton 202 as a Star (2005) (0)
- Berichtigung zur Arbeit: „Modified Flammersfeld Range Energy Relation for Electrons” (1961) (0)
- Impurity bound states in a compensated quantum well (2001) (0)
- Complementary variational principles in the Thomas-Fermi theory (1981) (0)
- Variation of p-p scattering cross section with energy (1956) (0)
- Walther, Bernard [Bernhard] (2007) (0)
- Walker, Arthur Geoffrey (2007) (0)
- Critical Temperature — Boiling Point Relations (1954) (0)
- Far infrared maps of M42 - deconvolution by maximum entropy. (1984) (0)
- Madelung constants for layer compounds (1984) (0)
- Critical constants of normal paraffins (2004) (0)
- Common lines in the rest-frame absorption-line spectra of QSOs? (1985) (0)
- The quasar PKS 0237-233: Chance coincidences and the alleged co redshift systems (1983) (0)
- Equations for alpha-disintegration energies (1961) (0)
- Addendum: Critical Temperature and Pressure of Normal Paraffins (1954) (0)
- Biela, Wilhelm Freiherr von (2007) (0)
- Force Constants of the Hydrides of the Second and Third Periods (1954) (0)
- Electron Affinities of the Lighter Elements (1956) (0)
- Banachiewicz, Thaddeus Julian (2007) (0)
- Absorption spectra of quasars. (1977) (0)
- Kinematics of the central stars of the planetary nebulae (1980) (0)
- Analysis of Rotational and Quasirotational Ground-State Bands in Even-Even Nuclei (1974) (0)
- Additive Function v of critical Pressures (1954) (0)
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