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19942026
most citedMassive Field-Theory Approach to Surface Critical Behavior in Three-Dimensional Systems

122 citations · 617 across the 35 of their papers we have counts for

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hep-th2020★ 33 cited

Operator expansions, layer susceptibility and two-point functions in BCFT

Parijat Dey, Tobias Hansen, Mykola Shpot

We show that in boundary CFTs, there exists a one-to-one correspondence between the boundary operator expansion of the two-point correlation function and a power series expansion o…

hep-th2019★ 12 cited

Boundary conformal field theory at the extraordinary transition: The layer susceptibility to

M. A. Shpot

We present an analytic calculation of the layer (parallel) susceptibility at the extraordinary transition in a semi-infinite system with a flat boundary. Using the method of integr…

hep-th2017★ 3 cited

A Feynman integral in Lifshitz-point and Lorentz-violating theories in

R. B. Paris, M. A. Shpot

We evaluate a one-loop, two-point, massless Feynman integral relevant for perturbative field theoretic calculations in strongly anisotropic dimensional space…

hep-th2012★ 10 cited

Lifshitz-point correlation length exponents from the large-n expansion

M. A. Shpot, Yu. M. Pis'mak

The large-n expansion is applied to the calculation of thermal critical exponents describing the critical behavior of spatially anisotropic d-dimensional systems at m-axial Lifshit…

hep-th2007★ 27 cited

A massive Feynman integral and some reduction relations for Appell functions

M. A. Shpot

New explicit expressions are derived for the one-loop two-point Feynman integral with arbitrary external momentum and masses and in D dimensions. The results are gi…