0198506961.pdf

Atom interferometry 11 11.1 Young’s double-slit experiment 247 11.2 A diffraction grating for atoms 249 11.3 The three-grating i ...

11.1 Young’s double-slit experiment 247 the Sagnac effect. These matter-wave experiments operate on the same principles as simil ...

248 Atom interferometry we definel 1 as the distance from S to P via Σ 1 , and similarlyl 2 for the (^4) l 1 =SΣ 1 +Σ 1 Pandl 2 ...

11.2 A diffraction grating for atoms 249 carry out in the laboratory. Experiments with short-wavelength matter waves require the ...

250 Atom interferometry (b) (c) (a) Counts/second Detector position ( m) − 1000 − 500 0 500 1000 104 103 104 103 Detector Gratin ...

11.4 Measurement of rotation 251 quantum mechanics tells us that we cannot put something as large as a cat into a quantum superp ...

252 Atom interferometry S Detector M1 BS1 M2 BS2 (a) (b) (c) G1 Collimated beam of atoms Order of G2 diffraction Detector G3 Det ...

11.5 The diffraction of atoms by light 253 SS P P (a) (b) Fig. 11.4(a) A simplified diagram of an interferometer where the waves ...

254 Atom interferometry Fig. 11.5The diffraction of atoms by a standing wave light field. The an- gle of the first order of diff ...

11.5 The diffraction of atoms by light 255 receive a transverse kick from 2nphotons, as illustrated in Fig. 11.5, e.g. first ord ...

256 Atom interferometry
     Fig. 11.7An interferometer formed by Raman transitions. As atoms traverse ...

11.6 Conclusions 257 schemes use light whose frequency is detuned from the atomic transition to avoid spontaneous emission. A cr ...

258 Atom interferometry Further reading (^22) This journal is a useful source of sim- The review inContemporary physics (^22) by ...

Ion traps 12 12.1 The force on ions in an electric field 259 12.2 Earnshaw’s theorem 260 12.3 The Paul trap 261 12.4 Buffer gas ...

260 Ion traps 10 mm. These estimates show that neutral atoms must be cooled before trapping but ion trapping requires only moder ...

12.3 The Paul trap 261


Fig. 12.1The electric field lines be- tween two equal positive charges. Mid- way between the charge ...

262 Ion traps makes an impressive lecture demonstration. Such dynamic stabilisation cannot honestly be described as ‘well known’ ...

12.3 The Paul trap 263



 Fig. 12.3A linear Paul trap used to store a string of ions. (a) A view looking along the four ...

264 Ion traps method for solving an electrostatic problem applies even though the volt- age on the electrodes changes because at ...

12.3 The Paul trap 265 proportional to cosAτcos 2τdominate on each side, and equating their coefficients gives− 4 B=2qxor B=− qx ...