See Lamb shift in All languages combined, or Wiktionary
Download JSON data for Lamb shift meaning in English (4.4kB)
{
"etymology_text": "Named after American physicist Willis Lamb (1913-2008).",
"forms": [
{
"form": "Lamb shifts",
"tags": [
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"expansion": "Lamb shift (plural Lamb shifts)",
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"lang_code": "en",
"pos": "noun",
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{
"ref": "1997, Heinrich F. Beyer, Heinz-Jürgen Kluge, Viatcheslav P. Shevelko, X-Ray Radiation of Highly Charged Ions, Springer, page 75",
"text": "In recent years, a significant progress has been achieved in accurate measurements of the energy levels in heavy few-electron HCI including the 1s Lamb shift in H-like uranium [3.73-75], the hyperfine structure of H-like bismuth [3.69] and the ground state energies of He-like ions [3.29,20].",
"type": "quotation"
},
{
"ref": "2001, J. D. Silver, “Chapter 10: The Oxford EBIT”, in John Gillaspy, editor, Trapping Highly Charged Ions: Fundamentals and Applications, Nova Science Publishers, page 279",
"text": "Whilst I was there, I became interested in the possibility of measuring Lamb shifts in hydrogenic ions using radio-frequency spectroscopy (1) and laser spectroscopy as a means of testing quantum electrodynamics (QED).",
"type": "quotation"
},
{
"ref": "2007, Michael I. Eides, Howard Grotch, Valery A. Shelyuto, Theory of Light Hydrogenic Bound States, Springer, page 241",
"text": "The linear combination of the #x5C;textstyle 1S, #x5C;textstyle 2S and #x5C;textstyle 8D#x5F;#x7B;#x5C;frac 5 2#x7D; Lamb shifts obtained in this manner admits direct comparison with the Lamb shift theory without any further complications.",
"type": "quotation"
}
],
"glosses": [
"A small difference between the energy levels 2S_½ and 2P_½ of the hydrogen atom, not predicted by the Dirac equation, whose detection in the Lamb–Retherford experiment of 1947 foreshadowed the development of quantum electrodynamics (in which the discrepancy is explained to be an effect of the emission and re-absorption of virtual photons); such a difference between otherwise expectedly equal energy levels of hydrogen or any other type of atom."
],
"id": "en-Lamb_shift-en-noun-A7fKQArJ",
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"Dirac equation"
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"qualifier": "quantum mechanics; quantum electrodynamics; quantum mechanics; quantum electrodynamics",
"raw_glosses": [
"(quantum mechanics, quantum electrodynamics) A small difference between the energy levels 2S_½ and 2P_½ of the hydrogen atom, not predicted by the Dirac equation, whose detection in the Lamb–Retherford experiment of 1947 foreshadowed the development of quantum electrodynamics (in which the discrepancy is explained to be an effect of the emission and re-absorption of virtual photons); such a difference between otherwise expectedly equal energy levels of hydrogen or any other type of atom."
],
"translations": [
{
"code": "fr",
"lang": "French",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "décalage de Lamb"
},
{
"code": "fr",
"lang": "French",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "déplacement de Lamb"
},
{
"code": "de",
"lang": "German",
"sense": "difference between energy levels",
"tags": [
"feminine"
],
"word": "Lamb-Verschiebung"
},
{
"code": "it",
"lang": "Italian",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "spostamento di Lamb"
},
{
"code": "pt",
"lang": "Portuguese",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "desvio de Lamb"
}
],
"wikipedia": [
"Lamb shift",
"Willis Lamb"
]
}
],
"word": "Lamb shift"
}
{
"etymology_text": "Named after American physicist Willis Lamb (1913-2008).",
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"examples": [
{
"ref": "1997, Heinrich F. Beyer, Heinz-Jürgen Kluge, Viatcheslav P. Shevelko, X-Ray Radiation of Highly Charged Ions, Springer, page 75",
"text": "In recent years, a significant progress has been achieved in accurate measurements of the energy levels in heavy few-electron HCI including the 1s Lamb shift in H-like uranium [3.73-75], the hyperfine structure of H-like bismuth [3.69] and the ground state energies of He-like ions [3.29,20].",
"type": "quotation"
},
{
"ref": "2001, J. D. Silver, “Chapter 10: The Oxford EBIT”, in John Gillaspy, editor, Trapping Highly Charged Ions: Fundamentals and Applications, Nova Science Publishers, page 279",
"text": "Whilst I was there, I became interested in the possibility of measuring Lamb shifts in hydrogenic ions using radio-frequency spectroscopy (1) and laser spectroscopy as a means of testing quantum electrodynamics (QED).",
"type": "quotation"
},
{
"ref": "2007, Michael I. Eides, Howard Grotch, Valery A. Shelyuto, Theory of Light Hydrogenic Bound States, Springer, page 241",
"text": "The linear combination of the #x5C;textstyle 1S, #x5C;textstyle 2S and #x5C;textstyle 8D#x5F;#x7B;#x5C;frac 5 2#x7D; Lamb shifts obtained in this manner admits direct comparison with the Lamb shift theory without any further complications.",
"type": "quotation"
}
],
"glosses": [
"A small difference between the energy levels 2S_½ and 2P_½ of the hydrogen atom, not predicted by the Dirac equation, whose detection in the Lamb–Retherford experiment of 1947 foreshadowed the development of quantum electrodynamics (in which the discrepancy is explained to be an effect of the emission and re-absorption of virtual photons); such a difference between otherwise expectedly equal energy levels of hydrogen or any other type of atom."
],
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"quantum electrodynamics"
],
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"qualifier": "quantum mechanics; quantum electrodynamics; quantum mechanics; quantum electrodynamics",
"raw_glosses": [
"(quantum mechanics, quantum electrodynamics) A small difference between the energy levels 2S_½ and 2P_½ of the hydrogen atom, not predicted by the Dirac equation, whose detection in the Lamb–Retherford experiment of 1947 foreshadowed the development of quantum electrodynamics (in which the discrepancy is explained to be an effect of the emission and re-absorption of virtual photons); such a difference between otherwise expectedly equal energy levels of hydrogen or any other type of atom."
],
"wikipedia": [
"Lamb shift",
"Willis Lamb"
]
}
],
"translations": [
{
"code": "fr",
"lang": "French",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "décalage de Lamb"
},
{
"code": "fr",
"lang": "French",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "déplacement de Lamb"
},
{
"code": "de",
"lang": "German",
"sense": "difference between energy levels",
"tags": [
"feminine"
],
"word": "Lamb-Verschiebung"
},
{
"code": "it",
"lang": "Italian",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "spostamento di Lamb"
},
{
"code": "pt",
"lang": "Portuguese",
"sense": "difference between energy levels",
"tags": [
"masculine"
],
"word": "desvio de Lamb"
}
],
"word": "Lamb shift"
}
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-01 from the enwiktionary dump dated 2024-04-21 using wiktextract (f4fd8c9 and c9440ce). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
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