Berry's phase in the multimode Peierls states
classification
❄️ cond-mat.stat-mech
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berrymultimodepeierlsphasestateadiabaticassociatedbeen
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It is shown that Berry's phase associated with the adiabatic change of local variables in the Hamiltonian can be used to characterize the multimode Peierls state, which has been proposed as a new type of the ground state of the two-dimensional(2D) systems with the electron-lattice interaction.
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