Details

Autor(en) / Beteiligte

• OMELAENKO, N. F
• ADAMS, E. D
• TAKANO, Y

Titel

Isentropic pressure of magnetically ordered bcc solid 3He near the triple point

Ist Teil von

• Journal of low temperature physics, 2004, Vol.134 (1-2), p.187-192

Ort / Verlag

Heidelberg: Springer

Erscheinungsjahr

2004

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• We have studied the thermodynamics of magnetically ordered bcc solid 3He near the triple point, where the high-field phase (HFP), low-field phase (LFP), and paramagnetic phase (PP) coexist, by using isochoric pressure measurements along isentropes. The experiment gives the first unambiguous proof that the transition from the paramagnetic phase to the high-field phase is first order. It also shows that Deltavh/Deltavl < Deltash/Deltasl at the triple point, where Deltavh,l is the molar-volume difference between the HFP (LFP) and the PP, and Deltash,l the corresponding molar entropy difference.