Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2009-03-24
Europhysics Letters, vol. 86, 57005 (2009)
Physics
Condensed Matter
Strongly Correlated Electrons
5 pages, 3 figures
Scientific paper
The electronic nematic order characterized by broken rotational symmetry has been suggested to play an important role in the phase diagram of the high temperature cuprates. We study the interplay between the electronic nematic order and a spin density wave order in the presence of a magnetic field. We show that a cooperation of the nematicity and the magnetic field induces a finite coupling between the spin density wave and spin-triplet staggered flux orders. As a consequence of such a coupling, the magnon gap decreases as the magnetic field increases, and it eventually condenses beyond a critical magnetic field leading to a field-induced spin density wave order. Both commensurate and incommensurate orders are studied, and the experimental implications of our findings are discussed.
Kee Hae-Young
Podolsky Daniel
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