Russian Academy of Sciences

Landau Institute for Theoretical Physics

Sergei A. Bulgadaev

Former staff member (1977 - 2022)

Senior researcher

Doctor of science

Publications

    1. R. Karazija, R. Katilius, E.I. Rashba, S.A. Bulgadaev, S. Esipov, U. Gavish, M. Rokni, M. Schechter, M. Heiblum, Y. Imry, A tribute to an outstanding physicist, Y. Levinson (1932–2008), Lith. J. Phys. 52 (2), ii–xvi (2012), WoS: 000306888000001.
    2. S.A. Bulgadaev, Nonlocal periodic dissipation and topological charge quantization in tunnel junctions, Abstr. Int. Conf. FJPN-07, 23-27 Sept. 2007, Palinuro, Italy.
    3. S.A. Bulgadaev, Classical Hall transition and large linear magnetoresistence in strongly inhomogeneous systems, Abstr. Int. Conf. on Fluctuation and Scaling in Materials, StatPhys23, 4-7 July 2007, Todi, Italy.
    4. S.A. Bulgadaev, Topological quantization of current in quantum tunnel contacts, Pis’ma v ZhETF, 83(12), 659-663 (2006) [JETP Lett., 83(12), 563-567 (2006)]; cond-mat/0605360, WoS: 000240326400008, Scopus: 2-s2.0-33747871341, ADS: 2006cond.mat..5360B, RINTs: 13519404.
    5. S.A. Bulgadaev, Influence of topological quantization on current in quantum tunnel contacts, Proc. Int. Conf. DECONS-06, 15-29 May 2006, Dresden, Germany.
    6. S.A. Bulgadaev, F.V. Kusmartsev, Duality and exact results for conductivity of 2D isotropic heterophase systems in magnetic field, Phys. Lett. A 336(2-3), 223-234 (2005); cond-mat/0412365, WoS: 000227204400021, Scopus: 2-s2.0-13444278714, ADS: 2005PhLA..336..223B, RINTs: 14549501.
    7. S.A. Bulgadaev, F.V. Kusmartsev, Planar isotropic two-phase systems in perpendicular magnetic field: effective conductivity, Phys. Lett. A 337(4-6), 449-456 (2005); cond-mat/0504160, WoS: 000228141100027, Scopus: 2-s2.0-15244349824, ADS: 2005PhLA..337..449B, RINTs: 14549502.
    8. S.A. Bulgadaev, F.V. Kusmartsev, Large linear magnetoresistivity in strongly inhomogeneous planar and layered systems, Phys. Lett. A 342(1-2), 188-195 (2005); cond-mat/0505163, WoS: 000230248100025, Scopus: 2-s2.0-20644433741, ADS: 2005PhLA..342..188B, RINTs: 13500610.
    9. S.A. Bulgadaev, Classical Hall transition and magnetoresistance in strongly inhomogeneous planar systems, Phys. Lett. A 344(2-4), 280-290 (2005); cond-mat/0506267, WoS: 000231860500026, Scopus: 2-s2.0-24044461808, ADS: 2005PhLA..344..280B, RINTs: 13489229.
    10. S.A. Bulgadaev, F.V. Kusmartsev, Effective conductivity of 2D isotropic two-phase systems in a magnetic field, Pis’ma v ZhETF, 81 (3), 157-161 (2005) [JETP Lett., 81(3), 125-130 (2005)]; cond-mat/0412729, WoS: 000228207200010, Scopus: 2-s2.0-17744363312, ADS: 2005JETPL..81..125B, RINTs: 13476364.
    11. S.A. Bulgadaev, A.S. Ioselevich, A.V. Lebedev, N.M. Shchelkachev (per. s angl.), A.S. Ioselevich (red.), Imri Iozef. Vvedenie v mezoskopicheskuyu fiziku, M. : FIZMATLIT, 2004. - 304 s.: il. - Per. izd. : Introduction to mesoscopic physics / Imry Y. - Oxford, 2002 . Bibliogr. : 271-304. - ISBN 5-9221-0247-8.
    12. S.A. Bulgadaev, On universality of conductivity of planar random self-dual systems, cond-mat/0410058, ADS: 2004cond.mat.10058B.
    13. S.A. Bulgadaev, Effective conductivity of self-dual random heterophase systems, cond-mat/0410073, ADS: 2004cond.mat.10073B.
    14. S.A. Bulgadaev, On the effective conductivity of flat random two-phase models, Europhys. Lett., 64 (4), 482-488 (2003); cond-mat/0403256, WoS: 000186205300008, Scopus: 2-s2.0-0242408132, ADS: 2003EL.....64..482B, RINTs: 13439014.
    15. S.A. Bulgadaev, Duality and effective conductivity of random two-phase flat systems, Phys. Lett. A 313(1-2), 106-111 (2003); cond-mat/0403272, WoS: 000183692200016, Scopus: 2-s2.0-0038343433, ADS: 2003PhLA..313..106B, RINTs: 13438473.
    16. S.A. Bulgadaev, Exact results for conductivity of 2D isotropic heterophase systems, Phys. Lett. A 313(1-2), 144-151 (2003); cond-mat/0303622, WoS: 000183692200022, Scopus: 2-s2.0-0037667663, ADS: 2003PhLA..313..144B, RINTs: 13436801.
    17. S.A. Bulgadaev, Duality and effective conductivity of random two-phase flat systems, Pis’ma v ZhETF, 77 (9), 615-619 (2003) [JETP Lett., 77 (9), 516-520 (2003)], WoS: 000183757800016, Scopus: 2-s2.0-17744397896, ADS: 2003JETPL..77..516B, RINTs: 13432795.
    18. S.A. Bulgadaev, Duality and Effective Conductivity of Two-dimensional Two-phase Systems, cond-mat/0212104.
    19. S.A. Bulgadaev, 3D van der Waals σ-model and its topological excitations, Europhys. Lett., 55 (6), 788-794 (2001); hep-th/0002041, WoS: 000171086500006, Scopus: 2-s2.0-0035797784, ADS: 2001EL.....55..788B, InSpire: 523718, RINTs: 32225012.
    20. S.A. Bulgadaev, Topological excitations of D-dimensional conformal nonlinear σ-models, Europhys. Lett., 56 (2), 193-199 (2001), WoS: 000171629500006, Scopus: 2-s2.0-0035797813, ADS: 2001EL.....56..193B, InSpire: 566416, RINTs: 13383834, MathSciNet: 1868591.
    21. S.A. Bulgadaev, D-Dimensional Conformal σ-models and Topological Excitations, hep-th/0002059, ADS: 2000hep.th....2059B, InSpire: 523753.
    22. S.A. Bulgadaev, Cartan tori and ADE classification of two-dimensional topological phase transitions, Proceedings 13th International Congress, ICMP 2000, London, UK, July 17-22, 2000; hep-th/0008018, ADS: 2000hep.th....8018B, InSpire: 531164.
    23. S.A. Bulgadaev, D-dimensional conformal σ-models and their topological excitations, Proceedings 13th International Congress, ICMP 2000, London, UK, July 17-22, 2000 [Highlights of mathematical physics. Ed. by A.S. Fokas, J. Halliwell, T. Kibble, B. Zegarlinski. AMS, 2002, ISBN: 0821832239, 9780821832233]; hep-th/0008017, ADS: 2000hep.th....8017B, InSpire: 531163.
    24. S.A. Bulgadaev, O topologicheskoi interpretatsii kvantovykh chisel, ZhETF, 116(4), 1131-1147 (1999) [S.A. Bulgadaev, Topological interpretation of quantum numbers, JETP, 89(4), 603-611 (1999)]; hep-th/9901036, WoS: 000083618800002, Scopus: 2-s2.0-33751269703, ADS: 1999JETP...89..603B, InSpire: 493915, RINTs: 13320157.
    25. S.A. Bulgadaev, Fazovye perekhody Berezinskogo-Kosterlittsa-Taulessa v dvumernykh sistemakh s vnutrennimi simmetriyami, ZhETF, 116(6), 2045-2057 (1999) [S.A. Bulgadaev, Berezinskii-Kosterlitz-Thouless phase transitions in two-dimensional systems with internal symmetries, JETP, 89(6), 1107-1113 (1999)]; hep-th/9907195, WoS: 000084243500013, Scopus: 2-s2.0-33750007688, ADS: 1999JETP...89.1107B, InSpire: 501722, RINTs: 13314662.
    26. S.A. Bulgadaev, BKT phase transitions in two-dimensional systems with internal symmetries, hep-th/9906091, ADS: 1999hep.th....6091B, InSpire: 501722.
    27. S.A. Bulgadaev, Topological phase transitions in two-dimensional systems with internal symmetries, hep-th/9907195, ADS: 1999JETP...89.1107B.
    28. S.A. Bulgadaev, 3D van der Waals σ-model and topological excitations with logarithmic energy, hep-th/9909023, ADS: 1999hep.th....9023B, InSpire: 506596.
    29. S.A. Bulgadaev, Niemeier self-dual lattices and topological phase transitions, hep-th/9811226, ADS: 1998hep.th...11226B, InSpire: 479954.
    30. S.A. Bulgadaev, Topological phase transitions in low-dimensional systems, Talk presented at STATPHYS-20, 19-24 July 1998, Paris, France [also Contribution to: Supersymmetries and Quantum Symmetries (SQS'97) : 2nd International Seminar, dedicated to the Memory of V.I. Ogievetsky, Dubna, Russia, July 22-26, 1997]; hep-th/9808115, ADS: 1998hep.th....8115B, InSpire: 475063.
    31. S.A. Bulgadaev, Fazovyi perekhod Berezinskogo-Kosterlittsa-Taulessa v sistemakh s ekzoticheskimi simmetriyami, Pis’ma v ZhETF, 63 (9), 743-747 (1996) [S.A. Bulgadaev, Berezinskii-Kosterlitz-Thouless phase transition in systems with exotic symmetries, JETP Lett., 63 (9), 780-785 (1996)], WoS: A1996UU18200015, Scopus: 2-s2.0-26844476879, ADS: 1996JETPL..63..780B, RINTs: 13223668.
    32. S.A. Bulgadaev, O topologicheskikh vozbuzhdeniyakh s izovektornymi topologicheskimi zaryadami, Pis’ma v ZhETF, 63(10), 758-762 (1996) [S.A. Bulgadaev, On topological excitations with isovector topological charges, JETP Lett., 63(10), 796-801 (1996)], WoS: A1996UX63600002, Scopus: 2-s2.0-26944447569, ADS: 1996JETPL..63..796B, InSpire: 431350, RINTs: 13228301, MathSciNet: 1397415, zbMath: -.
    33. S.I. Anisimov, S.A. Bulgadaev, G.E. Volovik, V.E. Zakharov, A.I. Larkin, V.P. Mineev, Yu.N. Ovchinnikov, Yu.A. Osip’yan, L.P. Pitaevskii, L.A. Fal’kovskii, I.M. Khalatnikov, Pamyati Vladimira Ivanovicha Mel’nikova, Uspekhi fiz. nauk, 166 (8), 915-916 (1996) [S.I. Anisimov, S.A. Bulgadaev, G.E. Volovik, V.E. Zakharov, A.I. Larkin, V.P. Mineev, Yu.N. Ovchinnikov, Yu.A. Osip’yan, L.P. Pitaevskii, L.A. Fal’kovskii, I.M. Khalatnikov, In memory of Vladimir Ivanovich Mel'nikov, Phys.-Usp. 39(8) 859-860 (1996)], WoS: A1996VH30900010, ADS: 1996PhyU...39..859A.
    34. S.A. Bulgadaev, On the relation between the Berry phase and one-dimensional models with long-range 1/r2-interaction, Phys. Lett. A 176 (1-2), 13-18 (1993), WoS: A1993LA81700004, Scopus: 2-s2.0-25044463087, ADS: 1993PhLA..176...13B, MathSciNet: 1217038.
    35. S.A. Bulgadaev, Destruction of the antiferromagnetic order by mobile spin, Proc. Int. Conference “StatPhys-18”, Berlin, 1992.
    36. S.A. Bulgadaev, On one-dimensional topological and conformal field theories, ICTP preprint IC-92/135, Trieste, Jul 1992; 11 p, InSpire: 337919.
    37. S.A. Bulgadaev, On relation between Berry phase and one-dimensional models with long-range 1/r2-interaction, ICTP preprint IC-92/142, Trieste, Feb. 1992; 13 p.
    38. S.A. Bulgadaev, Extended conformal symmetries in one-dimensional models with 1/r2-kernel, Landau Institute Preprint. 1992.
    39. S.A. Bulgadaev, On spin-hole system of cuprate, Landau Institute Preprint. 1989.
    40. S.A. Bulgadaev, A One-Dimensional Conformal Z3-Model with a Continuous Central Charge, Europhys. Lett., 7 (2), 107-111 (1988), WoS: A1988Q222500003, Scopus: 2-s2.0-84911821567, ADS: 1988EL......7..107B, InSpire: 269532, RINTs: 30952488.
    41. S.A. Bulgadaev, On possibility of dissipative phase transition in extended systems, Landau Institute Preprint. 1988.
    42. S.A. Bulgadaev, The influence of the anisotropy on the phase diagram of the one-dimensional N-vector model with a long-range interaction, Phys. Lett. A 125 (6-7), 299-302 (1987), WoS: A1987K987700005, Scopus: 2-s2.0-0007295531, RINTs: 30802588.
    43. S.A. Bulgadaev, O fazovoi diagramme dzhozefsonovskogo kontakta s "periodicheskoi" dissipatsiei, Pis’ma v ZhETF, 45(10), 486-490 (1987) [S.A. Bulgadaev, Phase diagram of a Josephson junction with a "periodic" dissipation, JETP Lett., 45(10), 622-626 (1987)], WoS: A1987K703100013.
    44. S.A. Bulgadaev, On the soliton spectrum of field theories with character interactions, Phys. Lett. B 166 (1), 88-92 (1986), WoS: A1986AYF7500019, Scopus: 2-s2.0-46149137799, ADS: 1986PhLB..166...88B, InSpire: 229255, RINTs: 30934673, MathSciNet: 0822170, zbMath: -.
    45. S.A. Bulgadaev, Vliyanie «nelokal’noi» dissipatsii na kvantovye svoistva sistem, nakhodyashchikhsya v potentsiale s vyrozhdennymi minimumami, ZhETF, 90 (2), 634-651 (1986) [S.A. Bulgadaev, Effect of “non-local” dissipation on the quantum properties of systems in a potential with degenerate minima, Sov. Phys. JETP 63(2), 369-378 (1986)], WoS: A1986A438000021.
    46. S.A. Bulgadaev, Critical properties of ferromagnetic dyson chains with discrete spins, Phys. Lett. A 102 (5-6), 260-265 (1984), WoS: A1984ST98800016, Scopus: 2-s2.0-24444453908, MathSciNet: 0748633.
    47. S.A. Bulgadaev, Quantum dissipative systems in crystallographic potentials, Phys. Lett. A 104 (4), 215-220 (1984), WoS: A1984TJ92800010, Scopus: 2-s2.0-5544237081.
    48. S.A. Bulgadaev, Critical properties of the ferromagnetic dyson chains with discrete spins, Physica Scripta, 30 (2), 157-160 (1984), WoS: A1984TE71000010, Scopus: 2-s2.0-0021473496, MathSciNet: 0756795.
    49. S.A. Bulgadaev, S.P. Obukhov, Obobshchennaya model’ bluzhdaniya s izbeganiem samoperesechenii, ZhETF, 86 (5), 1961-1968 (1984) [S.A. Bulgadaev, S.P. Obukhov, Generalized self-avoiding walk, Sov. Phys. JETP, 59(5), 1140-1143 (1984)], WoS: A1984SU93500033.
    50. S.A. Bulgadaev, Fazovaya diagramma dissipativnoi kvantovoi sistemy, Pis’ma v ZhETF, 39 (6), 264-267 (1984) [JETP Lett., 39 (6), 315-319 (1984) [S.A. Bulgadaev, Phase diagram of a dissipative quantum system], WoS: A1984TH36800008.
    51. S.A. Bulgadaev, Fermi-Bose gas equivalence, non-abelian symmetry groups, phase transitions and all that, Nucl. Phys. B 224 (2), 349-378 (1983), WoS: A1983RJ34000009, Scopus: 2-s2.0-33749991015, ADS: 1983NuPhB.224..349B, InSpire: 196157, RINTs: 30876000, MathSciNet: 0717188.
    52. S.A. Bulgadaev, S.P. Obukhov, The two-dimensional “true” self-avoiding walk with pseudoscalar charges, Phys. Lett. A 98 (8-9), 399-402 (1983), WoS: A1983RS99200003, Scopus: 2-s2.0-4244011456, ADS: 1983PhLA...98..399B, MathSciNet: 0726506.
    53. S.A. Bulgadaev, Contragradient algebras and lax operators associated with simple lie algebras, Phys. Lett. B 120 (4-6), 367-370 (1983), WoS: A1983PZ43300030, Scopus: 2-s2.0-49049122395, ADS: 1983PhLB..120..367B, InSpire: 190933, RINTs: 30945222, MathSciNet: 689317.
    54. S.A. Bulgadaev, Fazovyi perekhod v ln-gazakh s obobshchennymi zaryadami. II. d=1, izotropnyi sluchai, TMF, 51(3), 424–435 (1982) [S.A. Bulgadaev, Phase transitions in gases with generalized charges interacting through a logarithmic law. II. d=1, isotropic case, Theor. Math. Phys., 51(3), 593-601 (1982)], WoS: A1982PW67500013, Scopus: 2-s2.0-20344401191, MathSciNet: 0674791.
    55. S.A. Bulgadaev, Phase transition in 1n-gases with generalized charges, Phys. Lett. A 86 (4), 213-216 (1981), WoS: A1981MS38400004, Scopus: 2-s2.0-8544284742, ADS: 1981PhLA...86..213B, RINTs: 31069790, MathSciNet: 0635738.
    56. S.A. Bulgadaev, Fazovyi perekhod v gazakh s obobshchennymi zaryadami, vzaimodeistvuyushchimi po logarifmicheskomu zakonu. I. d=2, izotropnyi sluchai, TMF, 49(1), 77-91 (1981) [S.A. Bulgadaev, Phase transitions in gases with generalized charges interacting through a logarithmic law. I. d=2, Isotropic case, Theor. Math. Phys., 49(1), 897-907 (1981)], WoS: A1981NT81100006, Scopus: 2-s2.0-34250230760, MathSciNet: 0646415.
    57. S.A. Bulgadaev, Two-dimensional integrable field theories connected with simple Lie algebras, Phys. Lett. B 96 (1-2), 151-153 (1980), WoS: A1980KR34500037, Scopus: 2-s2.0-0040201052, ADS: 1980PhLB...96..151B, InSpire: 159965.
    58. S.A. Bulgadaev, Classical gases with a logarithmic potential and equivalent field theories, Phys. Lett. B 87 (1-2), 47-49 (1979), WoS: A1979HS19000013, Scopus: 2-s2.0-0007164120, ADS: 1979PhLB...87...47B, InSpire: 145027.
    59. S.A. Bulgadaev, O novom klasse teorii polya, Pis’ma v ZhETF, 30 (7), 456-460 (1979) [S.A. Bulgadaev, New class of field theories, JETP Lett., 30 (7), 426-429 (1979)], WoS: A1979KB56200015, InSpire: 147598.
    60. S.A. Bulgadaev, On two-dimensional antiferromagnetic Potts models, Landau Institute Preprint, 1979.
    61. S.A. Bulgadaev, B.I. Kaplan, I.B. Levinson, Parametricheskaya generatsiya fononov, ZhETF, 70 (4), 1550-1565 (1976) [S.A. Bulgadaev, B.I. Kaplan, I.B. Levinson, Parametric generation of phonons, Sov. Phys. JETP 43(4), 808-817 (1976)], WoS: A1976BR33200038, ADS: 1976JETP...43..808B.
    62. S.A. Bulgadaev, I.B. Levinson, Spontannoe narushenie simmetrii v gaze neravnovesnykh fononov, ZhETF, 71 (5), 1987-2000 (1976) [S.A. Bulgadayev, I.B. Levinson, Spontaneous symmetry-breaking in a gas of nonequilibrium phonons, Soviet Phys. JETP 44(5), 1043-1050 (1976)], WoS: A1976CN74400033, ADS: 1976JETP...44.1043B, MathSciNet: 0456197.
    63. S.A. Bulgadaev, K teorii parametricheskogo generirovaniya akusticheskikh fononov v kristallakh, ZhETF, 71 (5), 2187-2000 (1976) [S.A. Bulgadaev, Contribution to the theory of paramagnetic generation of acoustic phonons in crystals, Sov. Phys. JETP 44(5), 1143-1160 (1976)], WoS: A1976CQ76600019.
    64. S.A. Bulgadaev, I.B. Levinson, Elementarnye vozbuzhdeniya i kombinatsionnoe rasseyanie v sisteme neravnovesnykh solitonov, ZhETF, 67 (6), 2341-2351 (1974) [S.A. Bulgadaev, I.B. Levinson, Elementary excitations and Raman scattering in a system of nonequilibrium phonons, Sov. Phys. JETP 40(6), 1161-1166 (1975)], WoS: A1974V266200034, ADS: 1975JETP...40.1161B.
    65. S.A. Bulgadaev, I.B. Levinson, Kombinatsionnoe rasseyanie, indutsirovannoe sil’no neravnovesnymi fononami, Pis’ma v ZhETF, 19 (9), 583-585 (1974) [S.E. Bulgadaev, I.B. Levinson, Raman scattering induced by strongly nonequilibrium phonons, JETP Lett., 19 (9), 304-305 (1974)], WoS: A1974U164000008, ADS: 1974JETPL..19..304B.