Group Theory Approach to Band Structure: Scarf and Lamé Hamiltonians
نویسندگان
چکیده
منابع مشابه
Lamé polynomials, hyperelliptic reductions and Lamé band structure.
The band structure of the Lamé equation, viewed as a one-dimensional Schrödinger equation with a periodic potential, is studied. At integer values of the degree parameter l, the dispersion relation is reduced to the l=1 dispersion relation, and a previously published l=2 dispersion relation is shown to be partly incorrect. The Hermite-Krichever Ansatz, which expresses Lamé equation solutions in...
متن کاملar X iv : m at h - ph / 0 30 90 05 v 3 2 7 Ju n 20 04 Lamé polynomials , hyperelliptic reductions and Lamé band structure
The band structure of the Lamé equation, viewed as a one-dimensional Schrödinger equation with a periodic potential, is studied. At integer values of the degree parameter l, the dispersion relation is reduced to the l = 1 dispersion relation, and a previously published l = 2 dispersion relation is shown to be partially incorrect. The Hermite–Krichever Ansatz, which expresses Lamé equation solut...
متن کاملar X iv : m at h - ph / 0 30 90 05 v 4 1 7 Ju l 2 00 4 Lamé polynomials , hyperelliptic reductions and Lamé band structure
The band structure of the Lamé equation, viewed as a one-dimensional Schrödinger equation with a periodic potential, is studied. At integer values of the degree parameter l, the dispersion relation is reduced to the l = 1 dispersion relation, and a previously published l = 2 dispersion relation is shown to be partly incorrect. The Hermite–Krichever Ansatz, which expresses Lamé equation solution...
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Loose clothing worn by Indian women get accidently entangled in moving wheel of motor bike or crop thresher and cause accidental strangulation. This study is about the patients admitted in department of otorhinolaryngology with history of accidental strangulation due to long scarf. This study showed that women in rural area are at risk of accidental strangulation due to long scarf getting entra...
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abstract previous studies on willingness to communicate (wtc) have shown the influence of many individual or situational factors on students’ tendency to engage in classroom communication, in which wtc has been viewed either at the trait-level or situational level. however, due to the complexity of the notion of willingness to communicate, the present study suggests that these two strands are ...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 1999
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.83.1283