Valkov V. V., Valkova T. A. Primenenie indefinitnoi metriki dlya perekhoda k boze-opisaniyu $SU(3)$-gamiltonianov. Spektr vozbuzhdenii spinovykh nematikov. ZhETF, 1991, t. 99, # 6, s. 1881–1897.
Valkov V. V., Dzebisashvili D. M. Ob anomalnoi N-zavisimosti amplitudy ostsillyatsii de Gaaza-van Alfena v $CeCu_2 Si_2$. Pisma v ZhETF, 1998, t. 67, # 4, s. 270–275.
Valkov V. V. Unitarnye preobrazovaniya gruppy $U(N)$ i diagonalizatsiya mnogourovnevykh gamiltonianov. TMF, 1988, t. 76, # 1, s. 143–152.
V. V. Val'kov, A. O. Zlotnikov, A. Gamov, N. A. Fedorova, F. N. Tomilin, “Квантовые эффекты при спин-флоп переходе в топологическом антиферромагнитном изоляторе MnBi$_2$Te$_4$”, Pis'ma v Zh. Èksper. Teoret. Fiz., 120:7 (2024), 521–529
2023
2.
V. V. Val'kov, A. O. Zlotnikov, A. Gamov, “Interplay between magnetism and topology in MnBi$_2$Te$_4$”, Pis'ma v Zh. Èksper. Teoret. Fiz., 118:5 (2023), 330–337; JETP Letters, 118:5 (2023), 328–335
V. V. Val'kov, “Excitation spectrum in an ensemble of Hubbard bosons”, Pis'ma v Zh. Èksper. Teoret. Fiz., 116:12 (2022), 857–862; JETP Letters, 116:12 (2022), 896–901
4.
V. V. Val'kov, M. S. Shustin, S. V. Aksenov, A. O. Zlotnikov, A. D. Fedoseev, V. A. Mitskan, M. Yu. Kagan, “Topological superconductivity and Majorana states in low-dimensional systems”, UFN, 192:1 (2022), 3–44; Phys. Usp., 65:1 (2022), 2–39
V. V. Val'kov, “Splitting of the spectrum of fermionic excitations in a topological insulator by charge fluctuations”, Pis'ma v Zh. Èksper. Teoret. Fiz., 114:12 (2021), 812–817; JETP Letters, 114:12 (2021), 751–756
V. V. Val'kov, D. M. Dzebisashvili, M. M. Korovushkin, A. F. Barabanov, “Spin-polaron concept in the theory of normal and superconducting states of cuprates”, UFN, 191:7 (2021), 673–704; Phys. Usp., 64:7 (2021), 641–670
V. V. Val'kov, “Edge states of an excitonic insulator with the spin–orbit interaction”, Pis'ma v Zh. Èksper. Teoret. Fiz., 111:11 (2020), 772–777; JETP Letters, 111:11 (2020), 647–652
V. V. Val'kov, V. A. Mitskan, A. O. Zlotnikov, M. S. Shustin, S. V. Aksenov, “Occurrence of topologically nontrivial phases, cascade of quantum transitions, and identification of Majorana modes in chiral superconductors and nanowires (scientific summary)”, Pis'ma v Zh. Èksper. Teoret. Fiz., 110:2 (2019), 126–139; JETP Letters, 110:2 (2019), 140–153
V. V. Val'kov, A. O. Zlotnikov, “Stability of the coexistence phase of chiral superconductivity and noncollinear spin ordering with a nontrivial topology and strong electron correlations”, Pis'ma v Zh. Èksper. Teoret. Fiz., 109:11 (2019), 769–777; JETP Letters, 109:11 (2019), 736–743
V. V. Val'kov, S. V. Aksenov, “Nonequilibrium Green's functions in the atomic representation and the problem of quantum transport of electrons through systems with internal
degrees of freedom”, TMF, 194:2 (2018), 277–294; Theoret. and Math. Phys., 194:2 (2018), 236–251
V. V. Val'kov, A. O. Zlotnikov, “Effect of the intersite Coulomb interaction on chiral superconductivity at the noncollinear spin ordering”, Fizika Tverdogo Tela, 59:11 (2017), 2100–2106; Phys. Solid State, 59:11 (2017), 2120–2126
V. V. Val'kov, V. A. Mitskan, M. S. Shustin, “Cascade of quantum transitions and magnetocaloric anomalies in an open nanowire”, Pis'ma v Zh. Èksper. Teoret. Fiz., 106:12 (2017), 762–768; JETP Letters, 106:12 (2017), 798–804
V. V. Val'kov, A. D. Fedoseev, “Fano antiresonance induced by the rashba spin-orbit coupling in systems with conduction channels exhibiting the points of nonanalyticity in fermion paths”, Pis'ma v Zh. Èksper. Teoret. Fiz., 106:5 (2017), 282–287; JETP Letters, 106:5 (2017), 302–307
V. V. Val'kov, D. M. Dzebisashvili, “Dynamical magnetic susceptibility in the spin-fermion model for cuprate
superconductors”, TMF, 193:3 (2017), 515–529; Theoret. and Math. Phys., 193:3 (2017), 1853–864
15.
V. V. Valkov, D. M. Dzebisashvili, A. F. Barabanov, “Generalized Kondo lattice model and its spin-polaron realization by the projection method for cuprates”, TMF, 191:2 (2017), 319–333; Theoret. and Math. Phys., 191:2 (2017), 752–763
V. V. Val'kov, D. M. Dzebisashvili, A. F. Barabanov, “Spin-polaron nature of fermion quasiparticles and their $d$-wave pairing in cuprate superconductors”, Pis'ma v Zh. Èksper. Teoret. Fiz., 104:10 (2016), 745–757; JETP Letters, 104:10 (2016), 730–741
V. V. Val'kov, A. O. Zlotnikov, “Coexistence of the chiral superconductivity and noncollinear magnetic order in the ensemble of Hubbard fermions on a triangular lattice”, Pis'ma v Zh. Èksper. Teoret. Fiz., 104:7 (2016), 512–517; JETP Letters, 104:7 (2016), 483–488
V. V. Val'kov, D. M. Dzebisashvili, M. M. Korovushkin, A. F. Barabanov, “Stability of the superconducting $d_{x^2-y^2}$ phase in high-$T_{\mathrm{c}}$ superconductors with respect to the intersite Coulomb repulsion of holes at oxygen”, Pis'ma v Zh. Èksper. Teoret. Fiz., 103:6 (2016), 433–437; JETP Letters, 103:6 (2016), 385–389
V. V. Val'kov, T. A. Val'kova, V. A. Mitskan, “Superconducting phase with the ($d+id$) order parameter in an ensemble of Hubbard fermions on the triangular lattice”, Pis'ma v Zh. Èksper. Teoret. Fiz., 102:6 (2015), 399–404; JETP Letters, 102:6 (2015), 361–366
V. V. Val'kov, M. S. Shustin, “Radiation-induced modification of the temperature dependence of the magnetic susceptibility of a 1D magnet”, Pis'ma v Zh. Èksper. Teoret. Fiz., 100:7 (2014), 510–517; JETP Letters, 100:7 (2014), 455–462
D. M. Dzebisashvili, V. V. Val'kov, A. F. Barabanov, “Fermi surface evolution in the ensemble of spin-polarized quasiparticles in La$_{2-x}$Sr$_x$CuO$_4$”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:9 (2013), 596–601; JETP Letters, 98:9 (2013), 528–533
V. V. Val'kov, S. V. Aksenov, E. A. Ulanov, “Effects of multiple reflection in the process of inelastic electron transport through an anisotropic magnetic atom”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:7 (2013), 459–465; JETP Letters, 98:7 (2013), 403–409
M. Yu. Kagan, V. V. Val'kov, V. A. Mitskan, M. M. Korovushkin, “Effect of long-range interactions on the Kohn-Luttinger mechanism of the cooper instability in the Shubin-Vonsowsky model”, Pis'ma v Zh. Èksper. Teoret. Fiz., 97:4 (2013), 253–259; JETP Letters, 97:4 (2013), 226–232
V. V. Val'kov, A. O. Zlotnikov, “Coexistence of superconductivity and antiferromagnetism in heavy-fermion intermetallides”, TMF, 174:3 (2013), 484–503; Theoret. and Math. Phys., 174:3 (2013), 421–437
V. V. Val'kov, A. O. Zlotnikov, “On the implementation of the coexistence phase of antiferromagnetism and superconductivity in heavy-fermion intermetallides”, Pis'ma v Zh. Èksper. Teoret. Fiz., 95:7 (2012), 390–396; JETP Letters, 95:7 (2012), 350–356
V. V. Val'kov, D. M. Dzebisashvili, A. F. Barabanov, “Basis states and collective excitations of nonlocal three-spin polarons over the singlet phase of the CuO$_2$ plane”, Pis'ma v Zh. Èksper. Teoret. Fiz., 95:4 (2012), 224–229; JETP Letters, 95:4 (2012), 206–212
V. V. Val'kov, “Kinematic mechanism of the modulation of the spectral intensity in the spatially uniform system of Hubbard fermions”, Pis'ma v Zh. Èksper. Teoret. Fiz., 94:3 (2011), 215–219; JETP Letters, 94:3 (2011), 197–201
M. Yu. Kagan, D. V. Efremov, M. S. Marienko, V. V. Val'kov, “Triplet $p$-wave superconductivity in low-density extended Hubbard model with Coulomb repulsion”, Pis'ma v Zh. Èksper. Teoret. Fiz., 93:12 (2011), 807–812; JETP Letters, 93:12 (2011), 725–730
V. V. Val'kov, A. D. Fedoseev, “Thermodynamic properties of two-layer quasi-two-dimensional antiferromagnets”, TMF, 168:3 (2011), 417–427; Theoret. and Math. Phys., 168:3 (2011), 1216–1224
V. V. Val'kov, D. M. Dzebisashvili, A. F. Barabanov, “Cooper Instability of Nonlocal Spin Polarons in the CuO$_2$ Plane of High-Temperature Superconductors”, Pis'ma v Zh. Èksper. Teoret. Fiz., 92:9 (2010), 683–688; JETP Letters, 92:9 (2011), 618–623
K. A. Shaykhutdinov, S. I. Popkov, A. N. Lavrov, L. P. Kozeeva, M. Yu. Kameneva, V. V. Val'kov, D. M. Dzebisashvili, A. D. Fedoseev, “Features of the low-temperature specific heat in underdoped YBa<sub>2</sub>Cu<sub>3</sub>O<sub>6 + <i>x</i></sub> single crystals”, Pis'ma v Zh. Èksper. Teoret. Fiz., 92:5 (2010), 369–374; JETP Letters, 92:5 (2010), 332–337
V. V. Val'kov, D. M. Dzebisashvili, “Dynamical magnetic susceptibility of the periodic Anderson model in the chaotic phase approximation”, TMF, 164:2 (2010), 309–320; Theoret. and Math. Phys., 164:2 (2010), 1089–1099
V. V. Val'kov, D. M. Dzebisashvili, “Properties of the heavy-fermion spectrum in the canted phase of antiferromagnetic intermetallides”, TMF, 162:1 (2010), 125–149; Theoret. and Math. Phys., 162:1 (2010), 106–125
V. V. Val'kov, M. M. Korovushkin, A. F. Barabanov, “Effective interactions and the nature of Cooper instability of spin polarons in the 2D Kondo lattice”, Pis'ma v Zh. Èksper. Teoret. Fiz., 88:6 (2008), 426–430; JETP Letters, 88:6 (2008), 370–374
V. V. Val'kov, M. M. Korovushkin, “Effect of strong intersite correlations on the mixing of band and localized states of the periodic Anderson model”, Pis'ma v Zh. Èksper. Teoret. Fiz., 87:4 (2008), 234–239; JETP Letters, 87:4 (2008), 204–208
V. V. Val'kov, D. M. Dzebisashvili, “Effective interactions in the periodic Anderson model in the regime of
mixed valency with strong correlations”, TMF, 157:2 (2008), 235–249; Theoret. and Math. Phys., 157:2 (2008), 1565–1576
V. V. Val'kov, D. M. Dzebisashvili, “On the <i>s</i>-type superconductivity in heavy-fermion compounds”, Pis'ma v Zh. Èksper. Teoret. Fiz., 84:4 (2006), 251–255; JETP Letters, 84:4 (2006), 217–221
V. V. Val'kov, D. M. Dzebisashvili, A. S. Kravtsov, “Spectral representations and description of a superconducting state with $\mathbf{S}$-Type order parameter $\Delta(\mathbf{k})$”, Pis'ma v Zh. Èksper. Teoret. Fiz., 77:9 (2003), 604–608; JETP Letters, 77:9 (2003), 505–509
V. V. Val'kov, D. M. Dzebisashvili, “Modification of the superconducting order parameter $\Delta(k)$ by long-range interactions”, Pis'ma v Zh. Èksper. Teoret. Fiz., 77:7 (2003), 450–454; JETP Letters, 77:7 (2003), 381–384
V. V. Val'kov, T. A. Val'kova, D. M. Dzebisashvili, S. G. Ovchinnikov, “The strong effect of three-center interactions on the formation of superconductivity with $\mathbf{d_{x^2-y^2}}$ symmetry in the $\mathbf{t-J^*}$ model”, Pis'ma v Zh. Èksper. Teoret. Fiz., 75:8 (2002), 450–454; JETP Letters, 75:8 (2002), 378–382
A. D. Balaev, V. V. Val'kov, V. A. Gavrichkov, N. B. Ivanova, S. G. Ovchinnikov, V. K. Chernov, “Quantum oscillations of resistance and magnetization in magnetic semiconductors and semimetals”, UFN, 167:9 (1997), 1016–1019; Phys. Usp., 40:9 (1997), 966–969
V. V. Val'kov, G. N. Matsuleva, “Quantum excitation spectrum of anisotropic magnets with quadrupole interaction in noncollinear geometry”, Fizika Tverdogo Tela, 33:4 (1991), 1113–1121
1990
43.
V. V. Val'kov, B. V. Fedoseev, “Phase transitions in anisotropic non-Heisenberg magnets with a tensor order parameter”, Fizika Tverdogo Tela, 32:12 (1990), 3522–3530
44.
V. V. Val'kov, S. G. Ovchinnikov, O. G. Petrakovskogo, “Excitation spectrum of dimerized antiferromagnetic Heisenberg chain”, Fizika Tverdogo Tela, 32:7 (1990), 2001–2003
1989
45.
V. V. Val'kov, G. N. Matsuleva, S. G. Ovchinnikov, “Effect of strong crystalline field on the spectral properties of magnets with biquadratic exchange”, Fizika Tverdogo Tela, 31:6 (1989), 60–68
1988
46.
V. V. Val'kov, S. G. Ovchinnikov, O. G. Petrakovskogo, “Two-magnon excitation spectrum in an easy axis quasi two-dimensional ferromagnet”, Fizika Tverdogo Tela, 30:10 (1988), 3044–3047
V. V. Val'kov, “Unitary transformations of the group $U(N)$ and diagonalization of multilevel Hamiltonians”, TMF, 76:1 (1988), 143–152; Theoret. and Math. Phys., 76:1 (1988), 766–772
V. V. Val'kov, T. A. Val'kova, “Influence of cubic anisotropy on the ground state and thermodynamic properties of Heisenberg magnets”, TMF, 59:3 (1984), 453–464; Theoret. and Math. Phys., 59:3 (1984), 617–625
E. V. Babkin, N. G. Cherkunova, S. G. Ovchinnikov, V. V. Val'kov, “Quantum size effect in magnetite thin films”, Fizika Tverdogo Tela, 25:6 (1983), 1896–1898
V. V. Val'kov, S. G. Ovchinnikov, “Hubbard operators and spin-wave theory of Heisenberg magnets with arbitrary spin”, TMF, 50:3 (1982), 466–476; Theoret. and Math. Phys., 50:3 (1982), 306–313
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