Peer Reviewed FAQ

Further Peer-Reviewed References for Electric Fusion Systems Technology.

Answer Details: Aneutronic fusion, a promising energy source, can be achieved using heavy Rydberg matter. Lebedev (1996) and Beigman (1995) have both contributed to the understanding of collisional processes involving Rydberg atoms, which is crucial for aneutronic fusion. Ji (2017) and Hummel (2020) have proposed methods for creating entangled states and heavy Rydberg systems, respectively, which are essential for the fusion process. Matsuzawa (1981) and Prunelé (1979) have developed theoretical models for collision processes, providing a foundation for the practical application of aneutronic fusion. Badiei (2008) and Baccou (2015) have explored the potential of condensed atomic hydrogen and laser-accelerated ions, respectively, as targets for aneutronic fusion, both of which are relevant to the use of heavy Rydberg matter.

References:

Year Title Authors DOI
1996 Inelastic and quasielastic collisions of Rydberg atoms with the heavy rare-gas atoms. Lebedev, Fabrikant 10.1103/PHYSREVA.54.2888
2017 Entangled state fusion with Rydberg atoms Y. Q. Ji, C. M. Dai, X. Q. Shao, X. X. Yi 10.1007/s11128-017-1711-y
1995 Collision theory of Rydberg atoms with neutral and charged particles I. L Beigman, V. S Lebedev 10.1016/0370-1573(95)00074-Q
1981 Comments on ‘Thermal collisions of Rydberg atoms with neutrals’ M. Matsuzawa 10.1088/0022-3700/14/17/004
1979 CORRIGENDUM: Theoretical model for the collision of high Rydberg atoms with neutral atoms or molecules E. D. Prunelé, J. Pascale 10.1088/0022-3700/12/15/013
2020 An ultracold heavy Rydberg system formed from ultra-long-range molecules bound in a stairwell potential Frederic  Hummel, Peter  Schmelcher, Herwig  Ott, Hossein R. Sadeghpour 10.1088/1367-2630/AB90D7
2008 Condensed Atomic Hydrogen as a Possible Target in Inertial Confinement Fusion (ICF) Shahriar  Badiei, Leif  Holmlid 10.1007/S10894-008-9134-5
2015 New scheme to produce aneutronic fusion reactions by laser-accelerated ions C. Baccou, S. Depierreux, V. Yahia, C. Neuville, C. Goyon, R. Angelis, F. Consoli, J. Ducret, G. Boutoux, J. Rafelski, C. Labaune 10.1017/S0263034615000178

Answer Details: A range of studies have explored the creation of heavy Rydberg matter, particularly with lithium. Zelener (2014) and Weidemuller (1993) have both focused on the excitation of Rydberg states in lithium atoms, with Zelener using a high-power ultraviolet laser and Weidemuller employing laser cooling. Hummel (2020) and Kirrander (2013) have proposed schemes for creating heavy Rydberg systems, with Hummel suggesting the use of ultra-long-range Rydberg molecules and Kirrander proposing the formation of long-range ion-pair molecules in an ultracold rubidium gas. Harnafi (1985) and Kocher (1977) have studied l-changing collisions in intermediate Rydberg states of lithium, while Diehl (1997) has observed and calculated Rydberg series in hollow lithium atomic states. These studies provide a foundation for further research into the creation of heavy Rydberg matter with lithium and ammonia, and the potential role of frustrating tunneling in this process.

References:

Year

Title

Authors

DOI

2014

Efficient excitation of Rydberg states in ultracold lithium-7 atoms

B. B. Zelener, S. A. Saakyan, V. A. Sautenkov, Eduard A. Manykin, B. V. Zelener, Vladimir E. Fortov

10.1134/S002136401418012X

2020

An ultracold heavy Rydberg system formed from ultra-long-range molecules bound in a stairwell potential

F. Hummel, P. Schmelcher, H. Ott, H. Sadeghpour

10.1088/1367-2630/ab90d7

2020

An ultracold heavy Rydberg system formed from ultra-long-range molecules bound in a stairwell potential

Frederic  Hummel, Peter  Schmelcher, Herwig  Ott, Hossein R. Sadeghpour

10.1088/1367-2630/AB90D7

1985

l-changing collisions in the intermediate Rydberg states of lithium.

Harnafi, Dubreuil

10.1103/PHYSREVA.31.1375

2013

Approach to form long-range ion-pair molecules in an ultracold Rb gas

A. Kirrander, S. Rittenhouse, M. Ascoli, E. Eyler, P. Gould, H. Sadeghpour

10.1103/PHYSREVA.87.031402

1993

A beam of laser-cooled lithium Rydberg atoms for precision microwave spectroscopy

M.  Weidemuller, C.  Gabbanini, J.  Hare, Michel  Gross, Serge  Haroche

10.1016/0030-4018(93)90726-L

1977

Evidence for high-l Rydberg states in atomic lithium excited by electron impact

C. A. Kocher, A. J. Smith

10.1016/0375-9601(77)90622-3

1997

Experimental Observation and Theoretical Calculations of Rydberg Series in Hollow Lithium Atomic States

S. Diehl, D. Cubaynes, F. Wuilleumier, J. Bizau, L. Journel, E. Kennedy, C. Blancard, L. Voky, P. Faucher, A. Hibbert, N. Berrah, T. J. Morgan, J. Bozek, A. Schlachter

10.1103/PHYSREVLETT.79.1241

 

 

 

Answer Details: A range of studies have explored the role of electron wave function overlap in reducing the effective Coulomb barrier between nuclei, thereby increasing the tunneling probability and facilitating fusion reactions. Segal (2006) and Wong (2021) both highlight the role of electron screening in this process, with Wong (2021) specifically noting the impact of low-energy electrons. Rambaut (1992) and Saha (2012) further emphasize the role of electron concentration and quantum control, respectively, in enhancing tunneling. Feng (2008) and Chugunov (2007) provide additional insights into the role of shell correction and the comparison of different theoretical approaches in understanding fusion reactions. Lastly, Klinman (2006) extends this discussion to enzyme catalysis, highlighting the role of active site residues in optimizing inter-nuclear distance for nuclear tunneling.

References:

Year

Title

Authors

DOI

2006

Enhancement of nuclear tunneling through Coulomb-barriers using molecular cages

Dvira  Segal, Tamar  Seideman, Gershon  Kurizki, Moshe  Shapiro

10.1016/J.CPLETT.2005.12.076

2021

Enhanced D-D Fusion Rates when the Coulomb Barrier Is Lowered by Electrons

A. Wong, A. Gunn, A. X. Chen, C. Shih, M. J. Guffey

1992

Double screened Coulomb barrier accounts for neutrons production in cluster and other fusion experiments

M.  Rambaut

10.1016/0375-9601(92)90695-I

2008

Dynamical analysis on heavy-ion fusion reactions near Coulomb barrier

Zhao-Qing  Feng, Gen-Ming  Jin, Feng-Shou  Zhang

10.1016/j.nuclphysa.2008.01.022

2012

Tunneling through Coulombic barriers: quantum control of nuclear fusion

Rajdeep Saha, Andreas Markmann, V. Batista

10.1080/00268976.2012.679635

2014

An inquiry on hindrance to heavy-ion sub-barrier fusion

Ş. Mişicu

10.1142/S0218301314500748

2007

Coulomb tunneling for fusion reactions in dense matter : Path integral Monte Carlo versus mean field

A. Chugunov, H. Dewitt, D. Yakovlev

10.1103/PhysRevD.76.025028

2006

The role of tunneling in enzyme catalysis of C-H activation.

Judith P Klinman

10.1016/J.BBABIO.2005.12.004