Author

G. Ghika

Observed names: G.R. Ghika, Gr. Ghika

Observed institution: Institutul de Fizică Atomică

OpenAlex ID: A5076931822

Zeta-function regularization of the one-loop effective potential

1978 · G. Ghika, M. Vişinescu · Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields · 43

On the theory of ferromagnetic thin films

1962 · A. Corciovei, G. Ghika · Czechoslovak Journal of Physics · 12

Four-dimensional sigma-model coupled to the metric tensor field

1980 · G. Ghika, M. Vişinescu · Il Nuovo cimento della Società italiana di fisica. B/Il Nuovo cimento B · 10

General Solution of the One-Channel-Scattering Singular Integral Equations

1967 · S. Ciulli, Gr. Ghika, et al. · Physical Review · 8

Meron solutions of the sigma model and singular harmonic maps

1982 · G. Ghika, M. Visinescu · The European Physical Journal C · 5

Gribov vacuum copies in terms of harmonic maps

1980 · G. Ghika, M. Visinescu · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 5

Renormalization group equations with multiple coupling constants

1976 · G. Ghika, M. Vişinescu · Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields · 5

Constraints on a generally covariant four dimensional sigma model

1980 · G. Ghika, M. Visinescu · Physics Letters B · 4

A bootstrap calculation for the mass of the ππ (T = 0, l = 0) antibound state

1964 · S. Ciulli, G.R. Ghika · Physics Letters · 4

The veneziano model and the pion electromagnetic form factor

1970 · Gr. Ghika, M. Visinescu · Lettere al nuovo cimento della societa italiana di fisica/Lettere al nuovo cimento · 3

Qualitative study of the renormalization group equations

1975 · G. Ghika, M. Vişinescu · Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields · 2

New bounds on the pion electromagnetic form factor and its derivative

1973 · G. Ghika, M. Visinescu · Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields · 2

Regge poles in the presence of a hard core

1964 · S. Ciulli, Gr. Ghika, et al. · Il Nuovo Cimento · 1

The berry phase for filtering measurements, coherent states and the transition probabilities

1995 · G. Ghika · Il Nuovo cimento della Società italiana di fisica. B/Il Nuovo cimento B

Static solutions for the sigma-model coupled to gravity in the case of a compact space-like slice.

1987 · G. Ghika, A. Corciovei · Revue roumaine de physique

CURRENT ALGEBRA CALCULATION OF THE $pi$$pi$, I = 0,2 SCATTERING LENGTHS.

1979 · G. Ghika, E. E. Radescu, et al. · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

Simple model for the low-energy pion--pion scattering from current algebra and dispersion relations.

1972 · G. Ghika · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

On the positivity of the ππ resonance widths in the Veneziano model

1970 · G. Ghika, M. Visinescu · Nuovo cimento della Società italiana di fisica. A, Nuclei, particles and fields

Effective Range Formula for Veneziano-like Pion Form Factor.

1970 · G. Ghika, Mihai Visinescu · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

Evaluation of the Pion Electromagnetic Form Factor.

1970 · G. Ghika, Mihai Visinescu, et al. · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

Superconvergent dispersion relations at variable masses

1969 · G. Ghika, E.E. Radescu · Nuclear Physics B

NOTE ON THE CURRENT ALGEBRA CALCULATION OF THE $pi$$pi$ SCATTERING LENGTHS.

1969 · G. Ghika, E. E. Radescu, et al. · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

On the Weak Axial Mean Square Radius of the Nucleon from Photoproduction Sum Rules

1968 · G. Ghika, E. R\uadescu, et al. · Progress of Theoretical Physics

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SIMPLE CONDITION FOR THE $pi$--$pi$ SCATTERING LENGTHS USING CURRENT ALGEBRA.

1968 · G. Ghika, Mihai Visinescu · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

Integral Equations for the Generalized Jost Function.

1967 · S. Ciulli, G. Ghika, et al. · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

Works count: 27

Citation count: 104

H-index: 5

I10-index: 3