User Hans Schmuber

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Masters student study physics and mathematical physics.

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Jul 2, 2021

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Sep 24, 2021
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May 4, 2023

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Apr 7, 2016
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Dec 13, 2016
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Apr 24, 2015

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quantum-mechanics

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Why is the covariant derivative of the determinant of the metric zero?

Apr 16, 2016

How does one define a gapless phase of matter?

May 4, 2023

How to find propagator from Lagrangian at a glance?

Apr 4, 2016

Can we define a parent Hamiltonian for a given Multiscale Entanglement Renormalization Ansatz (MERA) state?

Jun 23, 2019

Do finite sized 1D Hamiltonians have free energies which are analytic everywhere in the complex plane?

Aug 18, 2021

When applying the adiabatic theorem, why doesn't the gap become doubly exponentially small generically?

Jul 6, 2023

What state is a qubit system in if it is measured by someone, but we do not know the measurement?

Oct 19, 2015

Is it possible to define a real space renormalization group scheme for a lattice where the local Hilbert space dimension increases?

Jun 24, 2019

Is there a commonly accepted definition of a quantum phase definition for a finite lattice/set of particles?

Jul 30, 2019

If $(q,p)$ to $(Q,P)$ is a canonical transformation, then does this imply $(Q,P)$ to $(q,p)$ is also?

Jan 3, 2015