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384 papers · 1 filter
The stochastic approach for anomalies in supersymmetric theories
Stam Nicolis
We discuss how the stochastic approach for supersymmetric theories leads to new ways of characterizing anomalies in how supersymmetry can be broken.
A new scale anomaly in Dirac matter
Matteo Baggioli, Maxim N. Chernodub, Karl Landsteiner +2
The dynamics of Dirac semimetals is modeled at low energies by the massless Dirac Hamiltonian with the Fermi velocity replacing the velocity of light. The classical action is scale…
A tale of two SUSYs
Stam Nicolis
There are two approaches towards supersymmetry: The ``conventional approach'', in which the fields appear in the classical action and the ``stochastic approach'', in which they eme…
Pseudo-real quantum fields
Maxim N. Chernodub, Peter Millington, Esra Sablevice
We introduce the concept of pseudo-reality for complex numbers. We show that this concept, applied to quantum fields, provides a unifying framework for two distinct approaches to p…
BMS particles
Xavier Bekaert, Laura Donnay, Yannick Herfray
We construct wavefunctions for unitary irreducible representations (UIRs) of the Bondi-Metzner-Sachs (BMS) group, i.e. BMS particles, and show that they describe quantum superposit…
Manifestations of chiral anomaly in a graphene plate
Sergey N. Solodukhin
Inspired by the Dirac model model of graphene, we consider a -dimensional fermionic system in which fermions are described by four-component spinors. These fermions are prop…