Many-body collective fluctuations generate a dynamical Berry curvature that is invisible to optics but isolable in antisymmetric RIXS channels of P-T-symmetric systems.
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A diagrammatic formalism connects the quantum geometric tensor to self-consistently dressed parametric vertex correlators for arbitrary many-body deformation fields.
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Geometric curvature driven by many-body collective fluctuations
Many-body collective fluctuations generate a dynamical Berry curvature that is invisible to optics but isolable in antisymmetric RIXS channels of P-T-symmetric systems.
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Interacting quantum geometry from dressed parametric vertices
A diagrammatic formalism connects the quantum geometric tensor to self-consistently dressed parametric vertex correlators for arbitrary many-body deformation fields.