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Optimal molecular alignment and orientation through rotational ladder climbing
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10.1063/1.2049270
/content/aip/journal/jcp/123/14/10.1063/1.2049270
http://aip.metastore.ingenta.com/content/aip/journal/jcp/123/14/10.1063/1.2049270

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Electric field obtained with criterion for the optimization of . (b) Short-time Fourier transform of the field in (a).

Image of FIG. 2.
FIG. 2.

(Color online) Time evolution of the population of rotational states of a rigid rotor interacting with the electric field given in Fig. 1(a).

Image of FIG. 3.
FIG. 3.

(Color online) Orientation, as measured by , obtained for a rigid rotor interacting with the electric field given in Fig. 1(a). The field-free evolution is then periodic with period .

Image of FIG. 4.
FIG. 4.

(Color online) (a) Electric field obtained with criterion for the optimization of the projection of wave function on the target corresponding to orientation (see Table I). (b) Short-time Fourier transform of the field in (a).

Image of FIG. 5.
FIG. 5.

(Color online) Orientation, as measured by , obtained for the interaction with the electric field given in Fig. 1(a) (solid line) and Fig. 4(a) (dashed line). The field-free evolution is then periodic with period .

Image of FIG. 6.
FIG. 6.

(Color online) Same as Fig. 1, but for the optimization of .

Image of FIG. 7.
FIG. 7.

(Color online) Time evolution of the population of rotational states of a rigid rotor interacting with the electric field given in Fig. 6(a).

Image of FIG. 8.
FIG. 8.

(Color online) Same as Fig. 4, but for the optimization of the projection of wave function on the target corresponding to alignment (see Table I).

Image of FIG. 9.
FIG. 9.

(Color online) Time evolution of the population of rotational states of a rigid rotor interacting with the electric field given in Fig. 8(a).

Image of FIG. 10.
FIG. 10.

(Color online) Alignment, as measured by , obtained for the interaction with the electric field given in Fig. 6(a) (solid line) and Fig. 8(a) (dashed line). The field-free evolution is then periodic with period .

Image of FIG. 11.
FIG. 11.

(Color online) Orientation, as measured by , obtained for a rigid rotor interacting with the electric field given in Fig. 1(a), starting from the rotational ground state (solid line) and from a rotational temperature of (dotted line). For comparison, the orientation obtained with the field optimized for this temperature [Fig. 12(a)] is also shown (dashed line).

Image of FIG. 12.
FIG. 12.

(Color online) (a) Electric field obtained for the optimization of starting from a rotational temperature of . (b) Short-time Fourier transform of the field in (a).

Tables

Generic image for table
Table I.

Expansion coefficients [see Eq. (2)] for the target states corresponding to maximum orientation and alignment when the rotational excitation is restricted to .

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/content/aip/journal/jcp/123/14/10.1063/1.2049270
2005-10-12
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optimal molecular alignment and orientation through rotational ladder climbing
http://aip.metastore.ingenta.com/content/aip/journal/jcp/123/14/10.1063/1.2049270
10.1063/1.2049270
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