Large angle tipping frequency shifts in pulsed NMR for 3He (B)

William F. Brinkman; H. Smith

doi:10.1016/0375-9601(75)90338-2

Large angle tipping frequency shifts in pulsed NMR for ³He (B)

William F. Brinkman, H. Smith

Research output: Contribution to journal › Article

44 Scopus citations

Abstract

The absence of frequency shifts in pulsed NMR experiments on the B-phase of ³He at tipping angles φ{symbol} less than 104° is explained on the basis of Leggett's resonance equations. At tipping angles greater than 104° and large magnetic fields we find the frequency shift δω = ( 4 15)(Ω_L²/γH) (1+4 cos φ{symbol}), where Ω_L is the longitudinal resonance frequency of the B-phase and H is the magnetic field. The consistency with the observed nuclear free precision signal is pointed out.

Original language	English (US)
Pages (from-to)	43-44
Number of pages	2
Journal	Physics Letters A
Volume	53
Issue number	1
DOIs	https://doi.org/10.1016/0375-9601(75)90338-2
State	Published - May 19 1975
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Access to Document

10.1016/0375-9601(75)90338-2

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Brinkman, W. F., & Smith, H. (1975). Large angle tipping frequency shifts in pulsed NMR for ³He (B). Physics Letters A, 53(1), 43-44. https://doi.org/10.1016/0375-9601(75)90338-2

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N2 - The absence of frequency shifts in pulsed NMR experiments on the B-phase of 3He at tipping angles φ{symbol} less than 104° is explained on the basis of Leggett's resonance equations. At tipping angles greater than 104° and large magnetic fields we find the frequency shift δω = ( 4 15)(ΩL2/γH) (1+4 cos φ{symbol}), where ΩL is the longitudinal resonance frequency of the B-phase and H is the magnetic field. The consistency with the observed nuclear free precision signal is pointed out.

AB - The absence of frequency shifts in pulsed NMR experiments on the B-phase of 3He at tipping angles φ{symbol} less than 104° is explained on the basis of Leggett's resonance equations. At tipping angles greater than 104° and large magnetic fields we find the frequency shift δω = ( 4 15)(ΩL2/γH) (1+4 cos φ{symbol}), where ΩL is the longitudinal resonance frequency of the B-phase and H is the magnetic field. The consistency with the observed nuclear free precision signal is pointed out.

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