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Use of correlated potential harmonic basis functions for the description of the 4He trimer and small clusters
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10.1063/1.3583365
/content/aip/journal/jcp/134/16/10.1063/1.3583365
http://aip.metastore.ingenta.com/content/aip/journal/jcp/134/16/10.1063/1.3583365

Figures

Image of FIG. 1.
FIG. 1.

Plot of TTY potential (V(r ij ); TTY pot), He-dimer wave function and correlation function (η(r ij ); CF) as a function of r ij . Note the logarithmic scale for r ij .

Image of FIG. 2.
FIG. 2.

Lowest eigenpotential (solid line) and ground state wave function (dashed line, arbitrary unit) for the 4He trimer with TTY potential as a function of hyperradius r. Note the logarithmic scale for r.

Image of FIG. 3.
FIG. 3.

Plot of three-body energy (ε) against ln |a s |, where a s is the two-body scattering length for helium trimer. Energies of first, second, third, and fourth excited state are given by the symbols ♦, +, □, ×, respectively.

Tables

Generic image for table
Table I.

The 4He-dimer energy using TTY potential.

Generic image for table
Table II.

The absolute value of 4He-trimer ground state energy (in units of mK) obtained via different methods.

Generic image for table
Table III.

Calculated energies of the first four excited states (ε1, ε2, ε3, ε4) of the 4He trimer for different two-body interaction strength (λ) together with the number of bound states for each λ. Energy values are in Kelvin (K).

Generic image for table
Table IV.

Energies (where n is the number of excitations) for 4He N cluster, N = 4 − 9, calculated by correlated PH basis. Comparison with MC hyperspherical and other available results is also presented. Energy values are in cm−1.

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/content/aip/journal/jcp/134/16/10.1063/1.3583365
2011-04-27
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Use of correlated potential harmonic basis functions for the description of the 4He trimer and small clusters
http://aip.metastore.ingenta.com/content/aip/journal/jcp/134/16/10.1063/1.3583365
10.1063/1.3583365
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