TY - JOUR
T1 - Exact correlation functions in the cuprate pseudogap phase
T2 - Combined effects of charge order and pairing
AU - Boyack, Rufus
AU - Wu, Chien-Te
AU - Scherpelz, Peter
AU - Levin, K.
N1 - Publisher Copyright:
© 2014 American Physical Society.
PY - 2014/12/31
Y1 - 2014/12/31
N2 - There is a multiplicity of charge-ordered, pairing-based, or pair density wave theories of the cuprate pseudogap, albeit arising from different microscopic mechanisms. For mean-field schemes (of which there are many) we demonstrate here that they have precise implications for two-body physics in the same way that they are able to address the one-body physics of photoemission spectroscopy. This follows because the full vertex can be obtained exactly from the Ward-Takahashi identity. As an illustration, we present the spin response functions, finding that a recently proposed pair density wave (Amperean pairing) scheme is readily distinguishable from other related scenarios.
AB - There is a multiplicity of charge-ordered, pairing-based, or pair density wave theories of the cuprate pseudogap, albeit arising from different microscopic mechanisms. For mean-field schemes (of which there are many) we demonstrate here that they have precise implications for two-body physics in the same way that they are able to address the one-body physics of photoemission spectroscopy. This follows because the full vertex can be obtained exactly from the Ward-Takahashi identity. As an illustration, we present the spin response functions, finding that a recently proposed pair density wave (Amperean pairing) scheme is readily distinguishable from other related scenarios.
UR - http://www.scopus.com/inward/record.url?scp=84920286626&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.90.220513
DO - 10.1103/PhysRevB.90.220513
M3 - Article
AN - SCOPUS:84920286626
SN - 1098-0121
VL - 90
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 22
M1 - 220513
ER -