The Symmetries of Fermion Fluids at Low Dimensions |
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| Authors: | Philip W Anderson F Duncan M Haldane |
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| Institution: | (1) Joseph Henry Laboratories of Physics, Princeton University, Princeton, New Jersey, 08544 |
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| Abstract: | We point out that the quasiparticle spectrum of the Landau Fermi liquid theory has an extra Z2 symmetry, local in momentum space, which is not generic to the Hamiltonian with interactions. Thus the Fermi liquid is in this sense a (quantum) zero-temperature critical point. |
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| Keywords: | interacting Fermi systems Fermi liquid theory symmetries of Fermi systems |
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