Publications EoLH Group

Electrons on Helium Group

Department of Physics, Royal Holloway, University of London

Publications

2000 - 2004

P. Glasson, G. Papageorgiou, K. Harrabi, V.Antonov, E.Collin, P.Fozooni, P.G.Frayne, M.J.Lea, Y.Mukharskyand D.G.Rees.
Submitted to J.Phys.Chem.Solids, 2004.
Trapping Single Electrons on Liquid Helium.

G. Papageorgiou, P. Glasson, K. Harrabi, V.Antonov, E.Collin, P.Fozooni, P.G.Frayne, M.J.Lea, Y.Mukharskyand D.G.Rees.
Submitted to Appl. Phys.Letts (2004).
Counting Individual Trapped Electrons on Liquid Helium.

G. Papageorgiou, P. Glasson, K. Harrabi, V.Antonov, E.Collin, P.Fozooni, P.G.Frayne, M.J.Lea, Y.Mukharskyand D.G.Rees.
cond-mat/0405084
Counting Individual Electrons on Liquid Helium.

P.H.Glasson, E.Collin, P.Fozooni, P.G.Frayne, K.Harrabi, W.Bailey, G.Papageorgiou and Y.Mukharsky and M.J.Lea,
Physica E 22, 761-766 (2004).
Confined electron crystals and Rydberg states on liquid helium.

E. Collin, W. Bailey, P. Fozooni, P. G. Frayne, P. Glasson, K. Harrabi, M. J. Lea and G. Papageorgiou,
Physica E, 18, 186-187 (2003).
Microwave saturation and the Rabi frequency of the Rydberg states of electrons on helium.

G.Papageorgiou, Yu.Mukharsky, K.Harrabi, P.Glasson, P.Fozooni, P.G.Frayne, E.Collin, and M.J.Lea.
Physica E, 18, 179-181 (2003).
Detecting electrons on helium with a single-electron transistor (SET).

P.Glasson, V.Dotsenko, P.Fozooni, M.J.Lea, G.Papageorgiou, S.E. Andresen and A.Kristensen,
Physica E, 18, 173-174 (2003).
Observation of dynamical ordering in a confined Wigner crystal.

E.Collin, W.Bailey, P.Fozooni, P.G.Frayne, P.Glasson, K.Harrabi, M.J.Lea and G.Papageorgiou.
Phys. Rev. Lett., 89, 245301 (2002).
Microwave saturation of the Rydberg states of electrons on helium.

P.Glasson, V.Dotsenko, P.Fozooni, M.J.Lea, G.Papageorgiou, S.E. Andresen and A.Kristensen,
Phys. Rev. Lett., 87, 176802 (2001).
Observation of dynamical ordering in a confined Wigner crystal.

M.J.Lea, P.G.Frayne and Y.Mukharsky,
Chapter in Scalable Quantum Computers - Paving the Way to Realization
Eds. Samuel L.Braunstein and Hoi-Kwong Lo (Wiley-VCH, Berlin, 2000) IBSN 3-527-40321-3.
Could we compute with electrons on helium?

M.J.Lea, P.G.Frayne and Y.Mukharsky,
Fortshritte der Physik, 48 (2000), 1109 - 1124.
Could we compute with electrons on helium?

M.J.Lea
Fluctuations and Superfluidity (eds. E.A.Luchinskaya, D.M.Luchinsky and P.V.E.McClintock) University of Lancaster, IBSN 1-86220-099-8 (2000), pp 271-290.
Electronic Microchannels on Helium: a non-equilibrium phase transition?

P.Glasson, S.Erfurt Andesen, G.Ensell, V.Dotsenko, W.Bailey, P.Fozooni, A.Kristensen and M.J.Lea,
Physica B 284 (2000) 1916-1917.
Microelectronics on liquid helium.

K.Djerfi, V.Dotsenko, P.Fozooni, Yu.G. Rubo and M.J.Lea,
Physica B 284 (2000) 1918-1919.
Non-linear transport and a nonequilibirum phase transition in 2D electrons on helium.

Yu.G. Rubo and M.J.Lea,
Physica B 284 (2000) 1922-1923.
Dynamics of a 2D Wigner solid in a magnetic field: the plastic limit.

1995 - 1999

A.M.C.Valkering, P.K.H.Sommerfeld, R.A.M. van der Ven, R.W.van der Heijden, F.A.P.Blom, M.J.Lea and F.M.Peeters,
Phys.Rev.Lett. 81 (1998) 5398-5401.
Hall effect magnetocapacitance in two-dimensional electron systems.

Y.G.Rubo and M.J.Lea,
Phys.Rev. B 58 (1998) 13197-13203.
Magneto-shear modes and a.c. dissipation in a two-dimensional Wigner crystal.

R.J.F. van Haren, G.Acres, P.Fozooni, A.Kristensen, M.J.Lea, P.J.Richardson, A.M.C.Valkering, and R.W. van der Heijden
Physica B 249-251 (1997) 656-659.
Conduction of Electrons on Liquid Helium along Channels Produced by Multi-layer Microfabrication.

M.J.Lea and M.I.Dykman
Physica B 249-251 (1997) 628-635.
Magnetotransport in the Two-dimensional Electron Fluid and Solid on Liquid Helium.

K.Djerfi, P.Fozooni, S.Harris, M.J.Lea, P.J.Richardson, A.Santrich-Badal, R.J.F.van Haren and A.Blackburn
Phys.Rev.Lett. 80 (1998) 806-809.
Anomalous behaviour above the melting point of 2D electrons on liquid helium.

M.J.Lea
Royal Holloway Inaugural Lecture Series, 1997
IBSN 0 902194 10 0
Electrons in Flatland - the Simplest Conductor, the Simplest Crystal?

C.Fang-Yen, M.I.Dykman and M.J.Lea
Phys.Rev.B 55 (1997) 16272-16279.
Internal forces in nondegenerate 2D electron systems.

M.I.Dykman, C.Fang-Yen and M.J.Lea
Phys.Rev.B 55 (1997) 16249-16271.
Semiclassical theory of many-electron transport in strongly correlated nondegenerate 2D electron systems.

M.J.Lea, P.Fozooni, A.Kristensen, P.J.Richardson, K.Djerfi, M.I.Dykman, and A.Blackburn
Phys.Rev.B 55 (1997) 16280-16292.
Magnetoconductivity of Two-Dimensional Electrons on Liquid Helium: Experiments in the Fluid Phase.

M.J.Lea
Two-Dimensional Electron Systems (Ed, E.Y.Andrei, Kluwer Academic Press,1997), pp.125-155. [IBSN 0-7923-4738-2]
Magnetoconductivity and the Hall Effect.

A.Blackburn, M.I.Dykman, K.Djerfi, C.Fang-Yen, P.Fozooni, A.Kristensen, M.J.Lea, P.J.Richardson, A.Santrich-Badal and R.W. van der Heijden
Czech.J.Phys. 46, Suppl S6 (1996) 3056-3062.
Many-Electron Magnetoconductivity of 2D Electrons on Liquid Helium in the Fluid and Solid Phases.

P.J.Richardson, K.Djerfi, P.Fozooni, A.Kristensen, M.J.Lea, A.Santrich-Badal, M.I.Dykman, C.Fang-Yen and A.Blackburn
Czech.J.Phys. 46, Suppl S1 (1996) 329-330.
Many-Electron Magnetoconductivity of 2D Electrons on Liquid Helium.

P.Fozooni, K.Djerfi, A.Kristensen, M.J.Lea, P.J.Richardson, A.Santrich-Badal, A.Blackburn and R.W. van der Heijden
Czech.J.Phys. 46, Suppl S1 (1996) 327-328.
Hall-velocity limited magnetoconductivity in a 2D Wigner solid.

A Kristensen, K Djerfi, P Fozooni, M J Lea, P J Richardson, A.Santrich-Badal, A. Blackburn and R W van der Heijden.
Phys.Rev.Letts. 77 (1996) 1350-1353.
Hall-velocity limited magnetoconductivity in a classical two-dimensional Wigner crystal.

P J Richardson, A Blackburn, K Djerfi, M I Dykman, C Fang-Yen,
P Fozooni, A Kristensen, M J Lea and A Santrich-Badal
Surface Science 361/362 (1996) 835-838.
Many-electron magnetoconductivity in 2D electrons on liquid helium.

35. P Fozooni, P J Richardson, M J Lea, M I Dykman, C Fang-Yen and A. Blackburn.
J.Phys. CM 8 (1996) L215-221.
Internal Forces and the Magnetoconductivity of a Nondegenerate 2D Electron Fluid.

P J M Peters, P Scheuzger, M J Lea, Yu P Monarkha, P K H Sommerfeld and
R W van der Heijden
Physica B 211 (1995) 477-480.
Quantisation induced decrease of the Hall effect for a non-degenerate 2-dimensional electron gas in high magnetic fields.

1990 - 1994

P J M Peters, P Scheuzger, M J Lea, Yu P Monarkha, P K H Sommerfeld and
R W van der Heijden
Phys.Rev B 50 (1994) 11570.
Quantum Magnetotransport in a Non-degenerate Two-Dimensional Electron Gas under Extremely Strong Magnetic Fields.

M J Lea, P Fozooni, P J Richardson, and A Blackburn
Phys.Rev.Letts. 73 (1994) 1142-1145.
Direct observation of many-electron magnetoconductivity in a non-degenerate 2D electron liquid.

M J Lea and M I Dykman,
Phil.Mag.B 69 (1994) 1059-1066.
Many-electron effects in the magnetoresistivity of a non-degenerate two-dimensional electron gas.

P J M Peters, P Scheuzger, M J Lea, W P N M Jacobs and

R W van der Heijden

Surf.Sci, 305 (1994) 674-677.

The AC Hall effect for electrons on liquid helium in ultra-high

magnetic fields.

M I Dykman, M J Lea, P Fozooni and J Frost

Physica B 197 (1994) 340-346

Many-electron magnetotransport in nondegenerate 2D systems.

P K H Sommerfeld, P J M Peters, H F W J Vorstenbosch,

R W van der Heijden, A T A M de Waele and M J Lea

Physica B 194-196 (1994) 1311-1312

Observation of harmonic, high field, low frequency edge-magnetoplasma resonances for electrons on helium.

P J M Peters, J F A Nijs, R W van der Heijden and M J Lea

Physica B 194-196 (1994) 1281-1282

Temperature dependence of propagation and damping of nonresonant edge magnetoplasmons for electrons on helium.

P J M Peters, M J Lea, W P N Jacobs, J F A Nijs and

R W van der Heijden

Physica B 194-196 (1994) 1279-1280

Hall effect induced phase shifts ia a capacitively coupled two-dimensional electron gas.

P J M Peters, W P N M Jacobs, R W van der Heijden and M J Lea

Physica B 194-196 (1994) 1277-1278

Numerical calculations on edge magnetoplasmons for electrons on helium with inhomogeneous density and capacitance profiles.

P J M Peters, M J Lea, W P N Jacobs, J F A Nijs andR W van der Heijden

J.Phys.CM.5 (1993) 3587-92.

The Hall effect in a classical two-dimensional electron gas without electrical contacts.

M J Lea, P Fozooni, A O Stone and J Frost

J.Low Temp.Phys., 92 (1993) 189-200.

The Sommer-Tanner technique for measuring resistivity in a magnetic field.

N H March, N Gidopoulos, A K Theophilou, M J Lea and W Sung,

J.Phys.Chem.Liquids 26 (1993) 135-141.

The statistical distribution function for an anyon liquid.

M I Dykman, M J Lea, P Fozooni and J Frost,

Phys.Rev.Letts. 70 (1993) 3975-8

Magnetoresistance in 2-D electrons on liquid helium: many-electron versus single-electron kinetics.

M J Lea, N H March and W Sung

J.Phys. CM, 4 (1992) 5263-5272.

Melting of Wigner electron crystals: phenomenology and anyon magnetism.

M J Lea, A O Stone, P Fozooni,P J M Peters, A M L Janssen and

R W van der Heijden

Surface Science 263 (1992) 677-679

A new low frequency propagating mode in a 2DEG in a magnetic field.

P J M Peters, M J Lea, A M L Janssen, A O Stone, W P N M Jacobs, P Fozooni and R W van der Heijden

Phys.Rev.Letts. 67 (1991) 2199-2202.

Observation of audio-frequency edge magnetoplasmons in the classical two-dimensional electron gas.

M J Lea, A O Stone, P Fozooni and J Frost

J.Low Temp.Phys. 85(1991) 67-89.

The AC response of a 2-D electron gas on liquid helium in a magnetic field.

J Frost, P Fozooni, M J Lea and M I Dykman

Europhys Letts 16 (1991) 575-578.

Magnetoresistance and many-electron effects in two-dimensional electrons on liquid helium.

M J Lea, N H March and W Sung,

J.Phys. CM 3 (1991) 4301-4306

The thermodynamics of the melting of a two-dimensional Wigner Electron crystal.

M J Lea and N H March,

J.Phys.CM. 3 (1991) 3493-3503

Shear Modulus and Phase Diagram for Two-Dimensional Wigner Electron Crystals.

F Siringo, M J Lea and N H March,

Phys.Chem.Liquids. 23 (1991) 115-121.

Self-consistent force constant calculation for a two-dimensional

Wigner crystal in high magnetic fields, and limitations of Lindemann's Law of melting.

M J Lea

in Excitations in 2-dimensional and 3-dimensional quantum fluids

(Plenum, London,1991, IBSN 0-306-43913-1) pp 557-566.

Electrons on helium in a quantizing magnetic field.

A O Stone, P Fozooni, M J Lea and J Frost,

Physica B165 & 166 (1990) 879-80.

The melting of a 2-D electron solid on helium in a magnetic field.

M J Lea, J Frost, A O Stone and P Fozooni.

Physica B165 & 166 (1990) 881-2.

AC skin depths in a screened 2-D electron gas in a magnetic field.

P Fozooni, M J Lea, A O Stone and J Frost.

Physica B165 & 166 (1990) 843-4.

The magnetoresistance of 2-D electrons on liquid helium in the extreme quantum limit.

M J Lea and N H March,

J. Phys. Chem. Liquids. 21 (1990) 183-193.

The electron liquid-solid phase transition in two dimensions in a magnetic field.

A O Stone, P Fozooni, M J Lea and J Frost,

Surface Science 229 (1990) 359-361.

Magnetoresistance of 2D electrons on helium below 1 K.

A O Stone, M J Lea, P Fozooni and J Frost,

J. Phys: Condensed Matter 2 (1990) 485-491.

The melting temperature of a 2-dimensional electron solid in a magnetic field.

M J Lea and N H March, in

Disorder in Condensed Matter Physics: a volume in honour of Roger Elliott, (Eds.Blackman and Taguena; OUP 1991;

IBSN 0-19-853938-X) Chap 35, pp 431-437.

Melting curves of 2- and 3-dimensional Wigner electrons crystals in a magnetic field.

1987 - 1990

M J Lea and N H March

Intern. J. of Quantum Chem.:Quantum Chemistry Symposium 23 (1989) 717-729.

Quantum mechanical Wigner electron crystallization with and without magnetic fields.

A O Stone, P Fozooni, M J Lea and M Abdul-Gader,

J.Phys.CM 1 (1989) 2743-2746.

Magnetoresistance of 2D electrons on helium at 0.5K.

M.J.Lea, A.O.Stone and P.Fozooni,

Europhysics Letters 7 (1988) 641-646.

The Hall Effect in 2D Electrons on Liquid Helium.

M J Lea, A O Stone and P Fozooni,

Japan J.Appl.Phys. 26 (1987) Suppl 26-3, 747-8.

The Hall Effect in 2D Electrons on Liquid Helium.