COULOMB SYSTEMS IN A STRONG MAGNETIC FIELD

2005 ◽  
Vol 20 (37) ◽  
pp. 2845-2854 ◽  
Author(s):  
A. V. TURBINER ◽  
J. C. LÓPEZ-VIEYRA
Keyword(s):  
Magnetic Field ◽  
Strong Magnetic Field ◽  
Coulomb Systems ◽  
Electron Systems ◽  
Molecular Physics ◽  
Weakly Bound ◽  
Molecular Systems ◽  
Internuclear Axis ◽  
Parallel Configuration ◽  
Coulombic Systems

A study of what would the atomic–molecular physics be in an external strong magnetic field is presented. Emphasis is made on one-electron systems which seem the most bound, since two- and more-electron systems are weakly bound due to their maximal total spin nature. We demonstrate that the Coulombic systems (αpe) and (ααe) placed in (astro-physically relevant) magnetic fields B>1011 G become bound. It manifests a theoretical existence of the exotic ions ( HeH )2+ and [Formula: see text] with parallel configuration (the magnetic field is directed along the internuclear axis) as optimal. Both ions are unstable towards dissociation but do have very large lifetimes. At B>1000 a.u. the ion [Formula: see text] becomes stable and even becomes the most stable among one-electron ions made from protons and/or α-particles. A table of one-electron atomic–molecular systems which may exist in a strong magnetic field is given.

EXOTIC MOLECULAR IONS (HeH)2+ AND ${\rm He}_2^{3+}$ IN A STRONG MAGNETIC FIELD: LOW-LYING STATES

2007 ◽  
Vol 22 (08n09) ◽  
pp. 1605-1626 ◽  
Author(s):  
A. V. TURBINER ◽  
J. C. LÓPEZ VIEYRA
Keyword(s):  
Magnetic Field ◽  
Molecular Ions ◽  
Final State ◽  
Nonrelativistic Approximation ◽  
Internuclear Axis ◽  
Vibrational Energies ◽  
Parallel Configuration ◽  
The Magnetic Field ◽  
Coulombic Systems ◽  
Α Particles

The Coulombic systems (αpe) and (ααe), (αppe), (ααpe) and ( Li 3+ Li 3+e) placed in a magnetic field B ≳ 1011 G are studied. It is demonstrated a theoretical existence of the exotic ion ( He H )2+ for B ≳ 5 × 1012 G in parallel configuration (the magnetic field is directed along internuclear axis) as optimal as well as its excited states 1π, 1δ. As for the exotic ion [Formula: see text] it is shown that in spite of strong electrostatic repulsion of α-particles this ion can also exist for B ≳ 100 a.u. (= 2.35 × 1011 G ) in parallel configuration as optimal in the states 1σg (ground state), 1πu, 1δg. Upon appearance both ions are unstable towards dissociation with He + in the final state but with very large lifetime. However, at B ≳ 10000 a.u. , the ion ( He H )2+ becomes stable, while at B ≳ 1000 a.u. , the ion [Formula: see text] becomes stable. For both ions the vibrational and rotational energies are calculated. With a magnetic field growth, both exotic ions become more and more tightly bound and compact, their lowest rotational and vibrational energies grow drastically. At the edge of applicability of nonrelativistic approximation, B ~ 4.414 × 1013 G , there are indications that three more exotic linear ions ( H – He – H )3+, ( He – H – He )4+ and even [Formula: see text] in parallel configuration may also occur.

One-electron molecular systems in a strong magnetic field

2006 ◽  
Vol 424 (6) ◽  
pp. 309-396 ◽  
Author(s):  
Alexander V. Turbiner ◽  
Juan Carlos López Vieyra
Keyword(s):  
Magnetic Field ◽  
Strong Magnetic Field ◽  
Molecular Systems
Sign in / Sign up

Export Citation Format

Share Document