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Publications Influence

Dynamical origin of quantum probabilities

- A. Valentini, H. Westman
- Physics
- Proceedings of the Royal Society A: Mathematical…
- 4 March 2004

We study the origin of the Born probability rule ρ = |ψ|2 in the de Broglie–Bohm pilot–wave formulation of quantum theory. It is argued that quantum probabilities arise dynamically, and have a status… Expand

137 6- PDF

Coordinates, observables and symmetry in relativity

- H. Westman, S. Sonego
- Physics
- 16 November 2007

We investigate the interplay and connections between symmetry properties of equations, the interpretation of coordinates, the construction of observables, and the existence of physical relativity… Expand

35 4- PDF

SIGGRAPH Asia

- H. Westman
- Computer Science
- COMG
- 1 November 2007

Asia is rising. While Japan has been dominant economically for decades, China and India are growing at a phenomenal rate, and the four Asian tigers, Hong Kong, Korea, Singapore and Taiwan are still… Expand

43 1

WKB analysis of relativistic Stern-Gerlach measurements

- Matthew C. Palmer, M. Takahashi, H. Westman
- Physics
- 31 August 2012

Abstract Spin is an important quantum degree of freedom in relativistic quantum information theory. This paper provides a first-principles derivation of the observable corresponding to a… Expand

17 1- PDF

A minimalist pilot-wave model for quantum electrodynamics

- W. Struyve, H. Westman
- Physics
- Proceedings of the Royal Society A: Mathematical…
- 24 July 2007

We present a way to construct a pilot-wave model for quantum electrodynamics. The idea is to introduce beables corresponding only to the bosonic and not to the fermionic degrees of freedom of the… Expand

32 1- PDF

Events and Observables in Generally Invariant Spacetime Theories

- H. Westman, S. Sonego
- Physics
- 14 August 2007

We address the problem of observables in generally invariant spacetime theories such as Einstein’s general relativity. Using the refined notion of an event as a “point-coincidence” between scalar… Expand

20 1- PDF

Local quanta, unitary inequivalence, and vacuum entanglement

- M. Rodríguez-Vázquez, M. D. Rey, H. Westman, J. León
- Physics, Mathematics
- 1 March 2014

In this work we develop a formalism for describing localised quanta for a real-valued Klein-Gordon eld in a one-dimensional box [0 ;R]. We quantise the eld using non-stationary local modes which, at… Expand

7 1- PDF

An introduction to the physics of Cartan gravity

- H. Westman, T. Zlosnik
- Physics
- 6 November 2014

A distance can be measured by monitoring how much a wheel has rotated when rolled without slipping. This simple idea underlies the mathematics of Cartan geometry. The Cartan-geometric description of… Expand

19 1- PDF

A first-order approach to conformal gravity

- T. Zlosnik, H. Westman
- Physics
- 4 January 2016

We investigate whether a spontaneously-broken gauge theory of the group $SU(2,2)$ may be a genuine competitor to General Relativity. The basic ingredients of the theory are an $SU(2,2)$ gauge field… Expand

7 1- PDF

Gravity, Cartan geometry, and idealized waywisers

- H. Westman, T. Zlosnik
- Physics
- 26 March 2012

The primary aim of this paper is to provide a simple and concrete interpretation of Cartan geometry in terms of the mathematics of idealized waywisers. Waywisers, also called hodometers, are… Expand

10 1- PDF

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