Browsing by Subject "renormalization group"

Browsing by Subject "renormalization group"

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  • Entanglement renormalization for quantum fields in real space 
    Haegeman, Jutho; Osborne, Tobias J.; Verschelde, Henri; Verstraete, Frank (College Park, MD : American Physical Society, 2013)
    We show how to construct renormalization group (RG) flows of quantum field theories in real space, as opposed to the usual Wilsonian approach in momentum space. This is achieved by generalizing the multiscale entanglement ...
  • Information-geometric approach to the renormalization group 
    Bény, Cédric; Osborne, Tobias J. (College Park, MD : American Physical Society, 2015)
    We propose a general formulation of the renormalization group (RG) as a family of quantum channels which connect the microscopic physical world to the observable world at some scale. By endowing the set of quantum states ...