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Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)

Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)

A little more than a decade ago our team extended the field of defect spectroscopy in cryocrystals to solid ⁴He matrices, in both their body-centered cubic (bcc) and hexagonally close-packed (hcp) configurations. In this review paper we survey our pioneering activities in the field and compare ou...

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Main Authors: Moroshkin, P., Hofer, A., Ulzega, S., Weis, A.
Format: Article
Language:English
Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2006
Series:Физика низких температур
Subjects:
Quantum Liquids and Solids
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/120885
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spelling irk-123456789-1208852017-06-18T11:53:16Z Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article) Moroshkin, P. Hofer, A. Ulzega, S. Weis, A. Quantum Liquids and Solids A little more than a decade ago our team extended the field of defect spectroscopy in cryocrystals to solid ⁴He matrices, in both their body-centered cubic (bcc) and hexagonally close-packed (hcp) configurations. In this review paper we survey our pioneering activities in the field and compare our results to those obtained in the related fields of doped superfluid helium and doped helium nanodroplets, domains developed in parallel to our own efforts. We present experimental details of the sample preparation and the different spectroscopic techniques. Experimental results of purely optical spectroscopic studies in atoms, exciplexes, and dimers and their interpretation in terms of the so-called bubble model will be discussed. A large part of the paper is devoted to optically detected magnetic resonance, ODMR, processes in alkali atoms. The quantum nature of the helium matrix and the highly isotropic shape of the local trapping sites in the bcc phase make solid helium crystals ideal matrices for high resolution spin physics experiments. We have investigated the matrix effects on both Zeeman and hyperfine magnetic resonance transitions and used ODMR to measure the forbidden electric tensor polarizability in the ground state of cesium. Several unexpected changes of the optical and spin properties during the bcc—hcp phase transition can be explained in terms of small bubble deformations. 2006 Article Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article) / P. Moroshkin, A. Hofer, S. Ulzega, A. Weis // Физика низких температур. — 2006. — Т. 32, № 11. — С. 1297–1319. — Бібліогр.: 82 назв. — англ. 0132-6414 PACS: 32.30.–r, 32.60.+i, 33.35.+r, 33.50.–j, 67.80.–s, 76.70.Hb http://dspace.nbuv.gov.ua/handle/123456789/120885 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Quantum Liquids and Solids
Quantum Liquids and Solids
spellingShingle Quantum Liquids and Solids
Quantum Liquids and Solids
Moroshkin, P.
Hofer, A.
Ulzega, S.
Weis, A.
Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)
Физика низких температур
description A little more than a decade ago our team extended the field of defect spectroscopy in cryocrystals to solid ⁴He matrices, in both their body-centered cubic (bcc) and hexagonally close-packed (hcp) configurations. In this review paper we survey our pioneering activities in the field and compare our results to those obtained in the related fields of doped superfluid helium and doped helium nanodroplets, domains developed in parallel to our own efforts. We present experimental details of the sample preparation and the different spectroscopic techniques. Experimental results of purely optical spectroscopic studies in atoms, exciplexes, and dimers and their interpretation in terms of the so-called bubble model will be discussed. A large part of the paper is devoted to optically detected magnetic resonance, ODMR, processes in alkali atoms. The quantum nature of the helium matrix and the highly isotropic shape of the local trapping sites in the bcc phase make solid helium crystals ideal matrices for high resolution spin physics experiments. We have investigated the matrix effects on both Zeeman and hyperfine magnetic resonance transitions and used ODMR to measure the forbidden electric tensor polarizability in the ground state of cesium. Several unexpected changes of the optical and spin properties during the bcc—hcp phase transition can be explained in terms of small bubble deformations.
format Article
author Moroshkin, P.
Hofer, A.
Ulzega, S.
Weis, A.
author_facet Moroshkin, P.
Hofer, A.
Ulzega, S.
Weis, A.
author_sort Moroshkin, P.
title Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)
title_short Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)
title_full Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)
title_fullStr Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)
title_full_unstemmed Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article)
title_sort spectroscopy of atomic and molecular defects in solid ⁴he using optical, microwave, radio frequency, magnetic and electric fields (review article)
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
publishDate 2006
topic_facet Quantum Liquids and Solids
url http://dspace.nbuv.gov.ua/handle/123456789/120885
citation_txt Spectroscopy of atomic and molecular defects in solid ⁴He using optical, microwave, radio frequency, magnetic and electric fields (Review Article) / P. Moroshkin, A. Hofer, S. Ulzega, A. Weis // Физика низких температур. — 2006. — Т. 32, № 11. — С. 1297–1319. — Бібліогр.: 82 назв. — англ.
series Физика низких температур
work_keys_str_mv AT moroshkinp spectroscopyofatomicandmoleculardefectsinsolid4heusingopticalmicrowaveradiofrequencymagneticandelectricfieldsreviewarticle
AT hofera spectroscopyofatomicandmoleculardefectsinsolid4heusingopticalmicrowaveradiofrequencymagneticandelectricfieldsreviewarticle
AT ulzegas spectroscopyofatomicandmoleculardefectsinsolid4heusingopticalmicrowaveradiofrequencymagneticandelectricfieldsreviewarticle
AT weisa spectroscopyofatomicandmoleculardefectsinsolid4heusingopticalmicrowaveradiofrequencymagneticandelectricfieldsreviewarticle
first_indexed 2023-10-18T20:37:48Z
last_indexed 2023-10-18T20:37:48Z
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