Simple two-pulse time-reversal sequence for quadrupole-coupled spin system

N. A. Sergeev; A. M. Panich

doi:10.1515/zna-2003-0104

Simple two-pulse time-reversal sequence for quadrupole-coupled spin system

N. A. Sergeev, A. M. Panich

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

We demonstrate both theoretically and experimentally that the two-pulse sequence (2n + 1) ·90_Y^o-90_X^o-Acq(t) without delay between the pulses yields the reverse of the time evolution of spin systems with quadrupole interactions. This process results in refocusing of the spin magnetization into a magic echo at t_e = t₁/2 after the second pulse, where t₁ is the length of the first pulse. 33.25.+k; 76.20.+q; 76.60.-k; 76.60.Lz.

Original language	English
Pages (from-to)	33-35
Number of pages	3
Journal	Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume	58
Issue number	1
DOIs	https://doi.org/10.1515/zna-2003-0104
State	Published - 1 Jan 2003
Externally published	Yes

Keywords

Finite Width rf Pulses
Quadrupolar Interactions
Spin-echoes

ASJC Scopus subject areas

Mathematical Physics
General Physics and Astronomy
Physical and Theoretical Chemistry

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abstract = "We demonstrate both theoretically and experimentally that the two-pulse sequence (2n + 1) ·90Yo-90Xo-Acq(t) without delay between the pulses yields the reverse of the time evolution of spin systems with quadrupole interactions. This process results in refocusing of the spin magnetization into a magic echo at te = t1/2 after the second pulse, where t1 is the length of the first pulse. 33.25.+k; 76.20.+q; 76.60.-k; 76.60.Lz.",

keywords = "Finite Width rf Pulses, Quadrupolar Interactions, Spin-echoes",

author = "Sergeev, {N. A.} and Panich, {A. M.}",

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AU - Panich, A. M.

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N2 - We demonstrate both theoretically and experimentally that the two-pulse sequence (2n + 1) ·90Yo-90Xo-Acq(t) without delay between the pulses yields the reverse of the time evolution of spin systems with quadrupole interactions. This process results in refocusing of the spin magnetization into a magic echo at te = t1/2 after the second pulse, where t1 is the length of the first pulse. 33.25.+k; 76.20.+q; 76.60.-k; 76.60.Lz.

AB - We demonstrate both theoretically and experimentally that the two-pulse sequence (2n + 1) ·90Yo-90Xo-Acq(t) without delay between the pulses yields the reverse of the time evolution of spin systems with quadrupole interactions. This process results in refocusing of the spin magnetization into a magic echo at te = t1/2 after the second pulse, where t1 is the length of the first pulse. 33.25.+k; 76.20.+q; 76.60.-k; 76.60.Lz.

KW - Finite Width rf Pulses

KW - Quadrupolar Interactions

KW - Spin-echoes

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Simple two-pulse time-reversal sequence for quadrupole-coupled spin system

Abstract

Keywords

ASJC Scopus subject areas

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