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Si:P as a laboratory analogue for hydrogen on high magnetic field white dwarf stars.

Murdin, BN, Li, J, Pang, ML, Bowyer, ET, Litvinenko, KL, Clowes, SK, Engelkamp, H, Pidgeon, CR, Galbraith, I, Abrosimov, NV, Riemann, H, Pavlov, SG, Hübers, HW and Murdin, PG (2013) Si:P as a laboratory analogue for hydrogen on high magnetic field white dwarf stars. Nat Commun, 4.

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Abstract

Laboratory spectroscopy of atomic hydrogen in a magnetic flux density of 10(5) T (1 gigagauss), the maximum observed on high-field magnetic white dwarfs, is impossible because practically available fields are about a thousand times less. In this regime, the cyclotron and binding energies become equal. Here we demonstrate Lyman series spectra for phosphorus impurities in silicon up to the equivalent field, which is scaled to 32.8 T by the effective mass and dielectric constant. The spectra reproduce the high-field theory for free hydrogen, with quadratic Zeeman splitting and strong mixing of spherical harmonics. They show the way for experiments on He and H(2) analogues, and for investigation of He(2), a bound molecule predicted under extreme field conditions.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Photonics
Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Murdin, BNUNSPECIFIEDUNSPECIFIED
Li, JUNSPECIFIEDUNSPECIFIED
Pang, MLUNSPECIFIEDUNSPECIFIED
Bowyer, ETUNSPECIFIEDUNSPECIFIED
Litvinenko, KLUNSPECIFIEDUNSPECIFIED
Clowes, SKUNSPECIFIEDUNSPECIFIED
Engelkamp, HUNSPECIFIEDUNSPECIFIED
Pidgeon, CRUNSPECIFIEDUNSPECIFIED
Galbraith, IUNSPECIFIEDUNSPECIFIED
Abrosimov, NVUNSPECIFIEDUNSPECIFIED
Riemann, HUNSPECIFIEDUNSPECIFIED
Pavlov, SGUNSPECIFIEDUNSPECIFIED
Hübers, HWUNSPECIFIEDUNSPECIFIED
Murdin, PGUNSPECIFIEDUNSPECIFIED
Date : 12 February 2013
Identification Number : 10.1038/ncomms2466
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 08 Mar 2013 12:22
Last Modified : 23 Sep 2013 20:01
URI: http://epubs.surrey.ac.uk/id/eprint/755949

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