4.6 Article

Spontaneous symmetry breaking and Lifshitz transition in bilayer graphene

Journal

PHYSICAL REVIEW B
Volume 82, Issue 20, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.82.201408

Keywords

-

Funding

  1. U.S. DOE [DE-AC02-06CH11357]
  2. EPSRC [EP/G041954, oEP/G035954]
  3. Royal Society [WM100048]
  4. EPSRC [EP/I500510/1, EP/G035954/1, EP/G041954/1] Funding Source: UKRI
  5. Royal Society [WM100048] Funding Source: Royal Society
  6. Engineering and Physical Sciences Research Council [EP/I500510/1, EP/G035954/1, EP/G041954/1] Funding Source: researchfish

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We derive the renormalization-group equations describing all the short-range interactions in bilayer graphene allowed by symmetry, the long-range Coulomb interaction, and band-structure parameters. For certain range of parameters, we predict the first-order phase transition to the uniaxially deformed gapless state accompanied by the change in the topology of the electron spectrum.

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