2 papers
cond-mat.str-el2004
Interpreting Stone's model of Berry Phases
Paolo Carra
We show that a simple quantum-mechanical model, put forward by Stone sometime ago, affords description of site magnetoelectricity, a phenomenon which takes place in crystals (and m…
cond-mat2001
X-ray dichroism and orbital anapoles
Paolo Carra, Andres Jerez, Ivan Marri
We present a theoretical analysis of photo-absorption spectroscopies in noncentrosymmetric systems, covering both x-ray and optical regions. Integrated dichroic spectra are interpr…