Посилання:Paramagnetic effect of the magnetic field on superconductors with charge-density waves / T. Ekino, A.M. Gabovich, A.I. Voitenko // Физика низких температур. — 2005. — Т. 31, № 1. — С. 55-62. — Бібліогр.: 65 назв. — англ.
Підтримка:A.M. Gabovich is grateful to the Japan Society for
the Promotion of Science for support of his visit to the
Hiroshima University (Grant ID No. S-03204) and to
the Mianowski Foundation for support of his visit to
Warsaw University. The research has been partly supported
by the NATO grant PST.CLG.979446 and the
grants COE (No. 13CE2002) and Scientific Research
(No. 15540346) of the Ministry of Education, Culture,
Sports, Science and Technology of Japan. The
authors are also grateful to Jun Akimitsu (Tokyo),
60 Fizika Nizkikh Temperatur, 2005, v. 31, No. 1
T. Ekino, A.M. Gabovich, and A.I. Voitenko
Serguei Brazovskii (Kyoto), Kenji Ishida (Kyoto),
Yoshiteru Maeno (Kyoto), and Mai Suan Li (Warsaw)
for fruitful discussions of the paramagnetic properties
of the charge-density-wave state.
The limiting field Hp for spin-singlet superconductors with charge-density waves (CDWs),
which paramagnetically destroys the ordered phase, possessing coexisting superconducting and
CDW order parameters, is calculated self-consistently. It is shown that Hp always exceeds the
Pauli limits both for pure superconducting and pure CDW phases. Relevant experimental data for
inorganic and organic superconductors with high upper critical magnetic fields are analyzed and
are shown to be in qualitative agreement with the proposed theory.