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Article: A simple variational method for excited states of coupled anharmonic oscillators

TitleA simple variational method for excited states of coupled anharmonic oscillators
Authors
Yao, CCCheng, KS
Issue Date1996
PublisherSocietà italiana di fisica. The Journal's web site is located at http://paperseek.sif.it/index.php?journal=ncb&action=browse&PHPSESSID=6cb3626f6518c43ee907fc92933362dc
Citation
Nuovo Cimento Della Societa Italiana Di Fisica B, 1996, v. 111 n. 5, p. 645-652 How to Cite?
DOI: http://dx.doi.org/10.1007/BF02726656
AbstractA simple variational method for excited states is presented and extended to handle two-body Hamiltonians. The method is applied to coupled anharmonic oscillators with arbitrary coupling strength. Our results for the ground and excited states are in good agreement with other available results. For n → ∞, a simple but accurate analytical expression for the energy levels is obtained. Our method can also be used to calculate the excited states of other Hamiltonians.
Persistent Identifierhttp://hdl.handle.net/10722/80579
ISSN
0369-3554
ISI Accession Number ID
WOS:A1996UQ40800010
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorYao, CCen_HK
dc.contributor.authorCheng, KSen_HK
dc.date.accessioned2010-09-06T08:08:00Z-
dc.date.available2010-09-06T08:08:00Z-
dc.date.issued1996en_HK
dc.identifier.citationNuovo Cimento Della Societa Italiana Di Fisica B, 1996, v. 111 n. 5, p. 645-652en_HK
dc.identifier.issn0369-3554en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80579-
dc.description.abstractA simple variational method for excited states is presented and extended to handle two-body Hamiltonians. The method is applied to coupled anharmonic oscillators with arbitrary coupling strength. Our results for the ground and excited states are in good agreement with other available results. For n → ∞, a simple but accurate analytical expression for the energy levels is obtained. Our method can also be used to calculate the excited states of other Hamiltonians.en_HK
dc.languageengen_HK
dc.publisherSocietà italiana di fisica. The Journal's web site is located at http://paperseek.sif.it/index.php?journal=ncb&action=browse&PHPSESSID=6cb3626f6518c43ee907fc92933362dcen_HK
dc.relation.ispartofNuovo Cimento della Societa Italiana di Fisica Ben_HK
dc.titleA simple variational method for excited states of coupled anharmonic oscillatorsen_HK
dc.typeArticleen_HK
dc.identifier.emailCheng, KS: hrspksc@hkucc.hku.hken_HK
dc.identifier.authorityCheng, KS=rp00675en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/BF02726656-
dc.identifier.scopuseid_2-s2.0-3042991503en_HK
dc.identifier.hkuros12207en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-3042991503&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume111en_HK
dc.identifier.issue5en_HK
dc.identifier.spage645en_HK
dc.identifier.epage652en_HK
dc.identifier.isiWOS:A1996UQ40800010-
dc.publisher.placeBolognaen_HK
dc.identifier.scopusauthoridYao, CC=7201495781en_HK
dc.identifier.scopusauthoridCheng, KS=9745798500en_HK
dc.identifier.issnl0369-3554-

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