Entanglement Hamiltonians in the presence of a boundary

Add to your list(s) Download to your calendar using vCal

• Erik Tonni (SISSA)
• Friday 12 December 2025, 09:00-10:00
• Seminar Room 1, Newton Institute.

If you have a question about this talk, please contact nobody.

BIDW03 - The Many Faces of Boundaries, Impurities, and Defects

The reduced density matrix of a spatial subsystem can be written as the exponential of the entanglement (modular) Hamiltonian, hence this operator contains a lot of information about the entanglement of the corresponding spatial bipartition. For some particular models, states and bipartitions, this operator is local, but in general it is expected to be non-local. We discuss the entanglement Hamiltonians of an interval for three  different free quantum field theories in one spatial dimension, in their ground state: the massless Dirac field either on the half line or on the strip with an inhomogeneous background (the rainbow model),  and the massive scalar field on the half line with Robin boundary conditions. 

This talk is part of the Isaac Newton Institute Seminar Series series.

This talk is included in these lists:

• All CMS events
• Featured lists
• INI info aggregator
• Isaac Newton Institute Seminar Series
• School of Physical Sciences
• Seminar Room 1, Newton Institute
• bld31

Note that ex-directory lists are not shown.