Unitarity through PT symmetry in quantum quadratic gravity
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DOI: 10.1088/1361-6382/adf606
Abstract: Theories described by non-Hermitian Hamiltonians are known to possess strictly positive energy eigenvalues and exhibit unitary time evolution if the Hamiltonian is symmetric under discrete parity and time (PT) transformation. In this work, we demonstrate… read more here.
Keywords: quadratic gravity; gravity; symmetry; quantum quadratic ... See more keywords