TY - JOUR
T1 - Anomalous Nernst effect from a chiral d-density-wave state in underdoped cuprate superconductors
AU - Zhang, Chuanwei
AU - Tewari, Sumanta
AU - Yakovenko, Victor M.
AU - Das Sarma, S.
PY - 2008/11/7
Y1 - 2008/11/7
N2 - We show that the breakdown of time-reversal invariance, confirmed by the recent polar Kerr effect measurements in the cuprates, implies the existence of an anomalous Nernst effect in the pseudogap phase of underdoped cuprate superconductors. Modeling the time-reversal-breaking ordered state by the chiral d -density-wave state, we find that the magnitude of the Nernst effect can be sizable even at temperatures much higher than the superconducting transition temperature. These results imply that the experimentally found Nernst effect at the pseudogap temperatures may be due to the chiral d -density-wave ordered state with broken time-reversal invariance.
AB - We show that the breakdown of time-reversal invariance, confirmed by the recent polar Kerr effect measurements in the cuprates, implies the existence of an anomalous Nernst effect in the pseudogap phase of underdoped cuprate superconductors. Modeling the time-reversal-breaking ordered state by the chiral d -density-wave state, we find that the magnitude of the Nernst effect can be sizable even at temperatures much higher than the superconducting transition temperature. These results imply that the experimentally found Nernst effect at the pseudogap temperatures may be due to the chiral d -density-wave ordered state with broken time-reversal invariance.
UR - https://www.scopus.com/pages/publications/56349094854
U2 - 10.1103/PhysRevB.78.174508
DO - 10.1103/PhysRevB.78.174508
M3 - Article
AN - SCOPUS:56349094854
SN - 1098-0121
VL - 78
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 17
M1 - 174508
ER -