Quantum control of unidirectional rotations of a chiral molecular motor.
A quantum control method is presented for designing electric fields of laser pulses to drive a chiral molecular motor in desired, rotational directions. Intuitive or counter-intuitive rotational motion of a chiral motor, 2-chloro-5-methyl-cyclopenta-2,4-dienecarbaldehyde, was controlled by electric fields of ps-laser pulses with mid-infrared central frequencies. The control mechanism is discussed by analyzing the time- and frequency-resolved spectrum of the electric fields of the laser pulses. Timing of laser pulses is the essential factor for controlling unidirectional motions.
Yamaki
M
M
Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan.
Hoki
K
K
Ohtsuki
Y
Y
Kono
H
H
Fujimura
Y
Y
D002627:Chemistry, Physical / Q000379:methods*; D007834:Lasers; D015233:Models, Statistical; D009038:Motion; D011789:Quantum Theory; D012399:Rotation; D013237:Stereoisomerism; D013997:Time Factors