4.4 Article

Gavity dual of spin and charge density waves

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 12, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP12(2014)083

Keywords

Holography and condensed matter physics (AdS/CMT); D-branes

Funding

  1. Academy of Finland [1268023]
  2. European Union [FP7-REGPOT-2012-2013-1, 316165, PIF-GA- 2011-300984]
  3. ERC Advanced Grant [BSMOXFORD 228169]
  4. EU program Thales [MIS 375734]
  5. European Union (European Social Fund, ESF)
  6. Greek national funds through the Operational Program Education and Lifelong Learning of the National Strategic Reference Framework (NSRF)
  7. ARISTEIA
  8. European Research Council under the European Union [268088-EMERGRAV]
  9. Dutch Ministry of Education, Culture and Science (OCW)
  10. ESF Holograv Network
  11. Delta-ITP

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At high enough charge density, the homogeneous state of the D3-D7' model is unstable to fluctuations at nonzero momentum. We investigate the end point of this instability, finding a spatially modulated ground state, which is a charge and spin density wave. We analyze the phase structure of the model as a function of chemical potential and magnetic field and find the phase transition from the homogeneous state to be first order, with a second-order critical point at zero magnetic field.

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