Table 3 Van der Waals length R, mean square pair size \(\langle r^2\rangle\), ground-state energy E, scaled energy X and scaled size Y, in the pentamer \(^4\hbox {He}_4\hbox {T}\downarrow\) modeled with different pair potentials.
Potential model | R / Å | \(\langle r^2\rangle\) / Å\(^2\) | \(\langle r^2\rangle _\text {Max}/\) | ||||||
|---|---|---|---|---|---|---|---|---|---|
He–He | He–T | He–He | He–T | He–He | He–T | \(\langle r^2\rangle _\text {min}\) | |E| / mK | X | Y |
HFDB49 | MFmod48 | 5.38 | 6.69 | 65(1) | 103(2) | 1.58 | 885.7(7) | 4.74 | 2.27 |
HFDB49 | MF47 | 5.38 | 6.10 | 65(1) | 106(1) | 1.63 | 866.9(8) | 4.30 | 2.48 |
HFDB49 | DWW45 | 5.38 | 5.75 | 66(1) | 121(2) | 1.83 | 791.4(9) | 3.75 | 2.79 |
HFDB49 | TY46 | 5.38 | 6.10 | 67(1) | 172(3) | 2.57 | 682.8(9) | 3.39 | 3.22 |
HFDB49 | TWW44 | 5.38 | 6.10 | 67(2) | 202(3) | 3.01 | 662.8(9) | 3.29 | 3.55 |
