Quasiparticle damping in two-dimensional superconductors with unconventional pairing

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Quasiparticle damping in two-dimensional superconductors with unconventional pairing. / Titov, M. L.; Yashenkin, A. G.; Aristov, D. N.

In: Physical Review B, Vol. 52, No. 14, 01.01.1995, p. 10626-10632.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{adcc6fd29b114c45bb6f25bd9989eb52,

title = "Quasiparticle damping in two-dimensional superconductors with unconventional pairing",

abstract = "We calculate the damping of excitations due to four-fermionic interaction in the case of two-dimensional superconductors with nodes in the spectrum. At zero temperature and low frequencies it reveals gapless ω3 behavior at the nodal points. With the frequency increasing the crossover to the normal-state regimes appears. At high frequencies the damping strongly depends on details of a normal-state spectrum parametrization. Two important particular cases such as the models of almost free and tight-binding electrons are studied explicitly and the characteristic scales are expressed through the model-free parameters of the spectrum at the nodal points. The possibility of crossover in temperature dependence of damping in the superconducting phase is discussed.",

author = "Titov, {M. L.} and Yashenkin, {A. G.} and Aristov, {D. N.}",

year = "1995",

month = jan,

day = "1",

doi = "10.1103/PhysRevB.52.10626",

language = "English",

volume = "52",

pages = "10626--10632",

journal = "Physical Review B-Condensed Matter",

issn = "1098-0121",

publisher = "American Physical Society",

number = "14",

}

RIS

TY - JOUR

T1 - Quasiparticle damping in two-dimensional superconductors with unconventional pairing

AU - Titov, M. L.

AU - Yashenkin, A. G.

AU - Aristov, D. N.

PY - 1995/1/1

Y1 - 1995/1/1

N2 - We calculate the damping of excitations due to four-fermionic interaction in the case of two-dimensional superconductors with nodes in the spectrum. At zero temperature and low frequencies it reveals gapless ω3 behavior at the nodal points. With the frequency increasing the crossover to the normal-state regimes appears. At high frequencies the damping strongly depends on details of a normal-state spectrum parametrization. Two important particular cases such as the models of almost free and tight-binding electrons are studied explicitly and the characteristic scales are expressed through the model-free parameters of the spectrum at the nodal points. The possibility of crossover in temperature dependence of damping in the superconducting phase is discussed.

AB - We calculate the damping of excitations due to four-fermionic interaction in the case of two-dimensional superconductors with nodes in the spectrum. At zero temperature and low frequencies it reveals gapless ω3 behavior at the nodal points. With the frequency increasing the crossover to the normal-state regimes appears. At high frequencies the damping strongly depends on details of a normal-state spectrum parametrization. Two important particular cases such as the models of almost free and tight-binding electrons are studied explicitly and the characteristic scales are expressed through the model-free parameters of the spectrum at the nodal points. The possibility of crossover in temperature dependence of damping in the superconducting phase is discussed.

UR - http://www.scopus.com/inward/record.url?scp=0007001825&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.52.10626

DO - 10.1103/PhysRevB.52.10626

M3 - Article

AN - SCOPUS:0007001825

VL - 52

SP - 10626

EP - 10632

JO - Physical Review B-Condensed Matter

JF - Physical Review B-Condensed Matter

SN - 1098-0121

IS - 14

ER -

ID: 36121187