Stability of Crystalline Ion Beams

Schätz, T.; Schramm, U.; Habs, D.

doi:10.1007/978-94-007-0946-1_32

Cited by 1 publication

(2 citation statements)

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“…One of the outstanding properties of stationary ion crystals [47,11,12] and crystalline beams [48] is their elasticity or, in other words, the almost complete vanishing of close Coulomb collisions between the constituents of the Coulomb ordered structure [54]. As a result, the coupling of the periodic rf motion (micro-motion) into random thermal motion is expected to be strongly suppressed compared to the case of non-crystalline beams.…”

Section: Ion Beam Crystallization In Pallasmentioning

confidence: 99%

“…Under continuous laser cooling, circulating ion strings were observed to survive for many hours without any significant ion loss. With the cooling lasers simultaneously blocked, the beam maintains in its crystalline state for several thousand round-trips [11,12,48]. For the high periodicity of PALLAS of P ≈ 800, this survival time corresponds to about 10 6 rf periods or to the passage of the uncooled crystalline beam through 10 6 lattice periods.…”

Section: Ion Beam Crystallization In Pallasmentioning

confidence: 99%

See 1 more Smart Citation

The quest for crystalline ion beams

Schramm¹,

Schätz

Bußmann

et al. 2002

Plasma Phys. Control. Fusion

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The phase transition of an ion beam into its crystalline state has long been expected to dramatically influence beam dynamics beyond the limitations of standard accelerator physics. Yet, although considerable improvement in beam cooling techniques has been made, strong heating mechanisms inherent to existing high-energy storage rings have prohibited the formation of the crystalline state in these machines up to now. Only recently, laser cooling of low-energy beams in the table-top rf quadrupole storage ring PAaul Laser cooLing Acceleration System (PALLAS) has lead to the experimental realization of crystalline beams. In this article, the quest for crystalline beams as well as their unique properties as experienced in PALLAS will be reviewed.

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