Nonsymmetric moving breather collisions in the Peyrard-Bishop DNA model

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October 2011, 4(5): 995-1006. doi: 10.3934/dcdss.2011.4.995

Nonsymmetric moving breather collisions in the Peyrard-Bishop DNA model

Azucena Álvarez ^1, , Francisco R. Romero ^1, , José M. Romero ^2, and Juan F. R. Archilla ^2,

1.	Grupo de Física No Lineal. Facultad de Física. Universidad de Sevilla, Avda. Reina Mercedes, s/n. 41012-Sevilla, Spain, Spain
2.	Grupo de Física No Lineal. ETSII. Universidad de Sevilla, Avda. Reina Mercedes, s/n. 41012-Sevilla, Spain, Spain

Received October 2009 Revised February 2010 Published December 2010

Abstract
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We study nonsymmetric collisions of moving breathers (MBs) in the Peyrard-Bishop DNA model. In this paper we have considered the following types of nonsymmetric collisions: head-on collisions of two breathers traveling with different velocities; collisions of moving breathers with a stationary trapped breather; and collisions of moving breathers traveling with the same direction. The various main observed phenomena are: one moving breather gets trapped at the collision region, and the other one is reflected; breather fusion without trapping, with the appearance of a new moving breather; and breather generation without trapping, with the appearance of new moving breathers traveling either with the same or different directions. For comparison we have included some results of a previous paper concerning to symmetric collisions, where two identical moving breathers traveling with opposite velocities collide. For symmetric collisions, the main observed phenomena are: breather generation with trapping, with the appearance of two new moving breathers with opposite velocities and a stationary breather trapped at the collision region; and breather generation without trapping, with the appearance of new moving breathers with opposite velocities. A common feature for all types of collisions is that the collision outcome depends on the internal structure of the moving breathers and the exact number of pair-bases that initially separates the stationary breathers when they are perturbed. As some nonsymmetric collisions result in the generation of a new stationary trapped breather of larger energy, the trapping phenomenon could play an important part of the complex mechanisms involved in the initiation of the DNA transcription processes.

Keywords: Peyrard-Bishop DNA moedel, Moving breathers., Klein-Gordon chains, DNA.

Mathematics Subject Classification: Primary: 70Kxx, 82C22; Secondary: 92D2.

Citation: Azucena Álvarez, Francisco R. Romero, José M. Romero, Juan F. R. Archilla. Nonsymmetric moving breather collisions in the Peyrard-Bishop DNA model. Discrete & Continuous Dynamical Systems - S, 2011, 4 (5) : 995-1006. doi: 10.3934/dcdss.2011.4.995

References:

[1]	Focus issue edited by S. Flach and R. S. Mackay, Localization in nonlinear lattices,, Physica D, 119 (1999). Google Scholar
[2]	Focus issue edited by Yu S. Kivshar and S. Flach, Nonlinear localized modes: Physics and applications,, Chaos, 13 (2003). Google Scholar
[3]	Focus issue edited by T. Dauxois, R. S. Mackay and G. P. Tsironis, Condensed matter, dynamical systems and biophysics,, Physica D, 216 (2006). Google Scholar
[4]	A. Alvarez, F. R. Romero, J. F. R. Archilla, J. Cuevas and P. V. Larsen, Breather trapping and breather tansmission in a DNA model with an interface,, Eur. Phys. J. B, 51 (2006). doi: doi:10.1140/epjb/e2006-00191-0. Google Scholar
[5]	A. Alvarez, F. R. Romero, J. Cuevas and J. F. R. Archilla, Discrete moving breather collisions in a Klein-Gordon chain of oscillators,, Phys. Lett. A, 372 (2008). doi: doi:10.1016/j.physleta.2007.09.035. Google Scholar
[6]	A. Alvarez, F. R. Romero, J. Cuevas and J. F. R. Archilla, Moving breather collisions in Klein-Gordon chains of oscillators,, Eur. Phys. J. B, 70 (2009). doi: doi:10.1140/epjb/e2009-00256-6. Google Scholar
[7]	S. Aubry, Breathers in nonlinear lattices: Existence, linear stability and quantization,, Physica D, 103 (1997). doi: doi:10.1016/S0167-2789(96)00261-8. Google Scholar
[8]	S. Aubry and T. Cretegny, Mobility and reactivity of discrete breathers,, Physica D, 119 (1998). doi: doi:10.1016/S0167-2789(98)00062-1. Google Scholar
[9]	D. Campbell, J. Schonfeld and C. Wingate, Resonance structure in kink-antikink interactions in $\phi^4$ theory,, Physica D, 9 (1983). doi: doi:10.1016/0167-2789(83)90289-0. Google Scholar
[10]	D. Chen, S. Aubry and G. P. Tsironis, Breather mobility in discrete $\varphi^4$ nonlinear lattices,, Phys. Rev. Lett., 77 (1996). doi: doi:10.1103/PhysRevLett.77.4776. Google Scholar
[11]	J. Cuevas, J. F. R. Archilla, Yu. B. Gaididei and F. R. Romero, Moving breathers in a DNA model with competing short and long range dispersive interactions,, Physica D, 163 (2002). doi: doi:10.1016/S0167-2789(02)00351-2. Google Scholar
[12]	J. Cuevas and J. C. Eilbeck, Soliton collisions in a waveguide array with saturable nonlinearity,, Phys. Lett. A, 358 (2006). doi: doi:10.1016/j.physleta.2006.04.095. Google Scholar
[13]	J. Cuevas, F. Palmero, J. F. R. Archilla and F. R. Romero, Moving breathers in a bent DNA-related model,, Phys. Lett. A, 299 (2002). doi: doi:10.1016/S0375-9601(02)00731-4. Google Scholar
[14]	J. Cuevas, F. Palmero, J. F. R. Archilla and F. R. Romero, Moving discrete breathers in a Klein-Gordon chain with an impurity,, J. Phys. A: Math. and Gen., 35 (2002). doi: doi:10.1088/0305-4470/35/49/302. Google Scholar
[15]	T. Dauxois and M. Peyrard, Energy localization in nonlinear lattices,, Phys. Rev. Lett., 70 (1993). doi: doi:10.1103/PhysRevLett.70.3935. Google Scholar
[16]	T. Dauxois, M. Peyrard and C. R. Willis, Localized breather-like solutions in a discrete Klein-Gordon model and application to DNA,, Physica D, 57 (1992). doi: doi:10.1016/0167-2789(92)90003-6. Google Scholar
[17]	S. Dmitriev, P. Kevrekidis and Y. Kivshar, Radiationless energy exchange in three-soliton collisions,, Phys. Rev. E, 78 (2008). doi: doi:10.1103/PhysRevE.78.046604. Google Scholar
[18]	Y. Doi, Energy exchange in collisions of intrinsic localized modes,, Phys. Rev. E, 68 (2003). doi: doi:10.1103/PhysRevE.68.066608. Google Scholar
[19]	S. Flach and C. R. Willis, Discrete breathers,, Phys. Rep., 295 (1998). doi: doi:10.1016/S0370-1573(97)00068-9. Google Scholar
[20]	K. Forinash, T. Cretegny and M. Peyrard, Local modes and localization in amulticomponent nonlinear lattice,, Phys. Rev. E, 55 (1997). doi: doi:10.1103/PhysRevE.55.4740. Google Scholar
[21]	K. Forinash, M. Peyrard and B. A. Malomed, Interaction of discrete breathers with impurity modes,, Phys. Rev. E, 49 (1994). doi: doi:10.1103/PhysRevE.49.3400. Google Scholar
[22]	P. G. Kevrekidis, K. Ø. Rasmussen and A. R. Bishop, The discrete nonlinear Schrödinger equation: A survey of recent results,, Int. J. Mod. Phys. B, 15 (2001). doi: doi:10.1142/S0217979201007105. Google Scholar
[23]	R. S. MacKay and S. Aubry, Proof of existence of breathers for time-reversible or Hamiltonian networks of weakly coupled oscillators,, Nonlinearity, 7 (1994). doi: doi:10.1088/0951-7715/7/6/006. Google Scholar
[24]	J. L. Marín and S. Aubry, Breathers in nonlinear lattices: Numerical calculation from the anticontinuous limit,, Nonlinearity, 9 (1996). doi: doi:10.1088/0951-7715/9/6/007. Google Scholar
[25]	M. Meister and L. M. Floría, Bound states of breathers in the Frenkel-Kontorova model,, Eur. Phys. J. B, 37 (2004). doi: doi:10.1140/epjb/e2004-00049-5. Google Scholar
[26]	I. E. Papacharalampous, P. G. Kevrekidis, B. A. Malomed and D. J. Frantzeskakis, Soliton collisions in discrete nonlinear Schrödinger equation,, Phys. Rev. E, 68 (2003). doi: doi:10.1103/PhysRevE.68.046604. Google Scholar
[27]	M. Peyrard and A. R. Bishop, Statistical mechanics of a nonlinear model for DNA denaturation,, Phys. Rev. Lett., 62 (1989). doi: doi:10.1103/PhysRevLett.62.2755. Google Scholar
[28]	B. Sánchez-Rey, G. James, J. Cuevas and J. F. R. Archilla, Bright and dark breathers in Fermi-Pasta-Ulam lattices,, Phys. Rev. B, 70 (2004). doi: doi:10.1103/PhysRevB.70.014301. Google Scholar
[29]	M. Sanz-Serna and M. P. Calvo, "Numerical Hamiltonian Problems,", Chapman and Hall, (1994). Google Scholar
[30]	A. J. Sievers and S. Takeno, Intrinsic localized modes in anharmonic crystals,, Phys. Rev. Lett., 61 (1988). doi: doi:10.1103/PhysRevLett.61.970. Google Scholar

show all references

References:

[1]	Focus issue edited by S. Flach and R. S. Mackay, Localization in nonlinear lattices,, Physica D, 119 (1999). Google Scholar
[2]	Focus issue edited by Yu S. Kivshar and S. Flach, Nonlinear localized modes: Physics and applications,, Chaos, 13 (2003). Google Scholar
[3]	Focus issue edited by T. Dauxois, R. S. Mackay and G. P. Tsironis, Condensed matter, dynamical systems and biophysics,, Physica D, 216 (2006). Google Scholar
[4]	A. Alvarez, F. R. Romero, J. F. R. Archilla, J. Cuevas and P. V. Larsen, Breather trapping and breather tansmission in a DNA model with an interface,, Eur. Phys. J. B, 51 (2006). doi: doi:10.1140/epjb/e2006-00191-0. Google Scholar
[5]	A. Alvarez, F. R. Romero, J. Cuevas and J. F. R. Archilla, Discrete moving breather collisions in a Klein-Gordon chain of oscillators,, Phys. Lett. A, 372 (2008). doi: doi:10.1016/j.physleta.2007.09.035. Google Scholar
[6]	A. Alvarez, F. R. Romero, J. Cuevas and J. F. R. Archilla, Moving breather collisions in Klein-Gordon chains of oscillators,, Eur. Phys. J. B, 70 (2009). doi: doi:10.1140/epjb/e2009-00256-6. Google Scholar
[7]	S. Aubry, Breathers in nonlinear lattices: Existence, linear stability and quantization,, Physica D, 103 (1997). doi: doi:10.1016/S0167-2789(96)00261-8. Google Scholar
[8]	S. Aubry and T. Cretegny, Mobility and reactivity of discrete breathers,, Physica D, 119 (1998). doi: doi:10.1016/S0167-2789(98)00062-1. Google Scholar
[9]	D. Campbell, J. Schonfeld and C. Wingate, Resonance structure in kink-antikink interactions in $\phi^4$ theory,, Physica D, 9 (1983). doi: doi:10.1016/0167-2789(83)90289-0. Google Scholar
[10]	D. Chen, S. Aubry and G. P. Tsironis, Breather mobility in discrete $\varphi^4$ nonlinear lattices,, Phys. Rev. Lett., 77 (1996). doi: doi:10.1103/PhysRevLett.77.4776. Google Scholar
[11]	J. Cuevas, J. F. R. Archilla, Yu. B. Gaididei and F. R. Romero, Moving breathers in a DNA model with competing short and long range dispersive interactions,, Physica D, 163 (2002). doi: doi:10.1016/S0167-2789(02)00351-2. Google Scholar
[12]	J. Cuevas and J. C. Eilbeck, Soliton collisions in a waveguide array with saturable nonlinearity,, Phys. Lett. A, 358 (2006). doi: doi:10.1016/j.physleta.2006.04.095. Google Scholar
[13]	J. Cuevas, F. Palmero, J. F. R. Archilla and F. R. Romero, Moving breathers in a bent DNA-related model,, Phys. Lett. A, 299 (2002). doi: doi:10.1016/S0375-9601(02)00731-4. Google Scholar
[14]	J. Cuevas, F. Palmero, J. F. R. Archilla and F. R. Romero, Moving discrete breathers in a Klein-Gordon chain with an impurity,, J. Phys. A: Math. and Gen., 35 (2002). doi: doi:10.1088/0305-4470/35/49/302. Google Scholar
[15]	T. Dauxois and M. Peyrard, Energy localization in nonlinear lattices,, Phys. Rev. Lett., 70 (1993). doi: doi:10.1103/PhysRevLett.70.3935. Google Scholar
[16]	T. Dauxois, M. Peyrard and C. R. Willis, Localized breather-like solutions in a discrete Klein-Gordon model and application to DNA,, Physica D, 57 (1992). doi: doi:10.1016/0167-2789(92)90003-6. Google Scholar
[17]	S. Dmitriev, P. Kevrekidis and Y. Kivshar, Radiationless energy exchange in three-soliton collisions,, Phys. Rev. E, 78 (2008). doi: doi:10.1103/PhysRevE.78.046604. Google Scholar
[18]	Y. Doi, Energy exchange in collisions of intrinsic localized modes,, Phys. Rev. E, 68 (2003). doi: doi:10.1103/PhysRevE.68.066608. Google Scholar
[19]	S. Flach and C. R. Willis, Discrete breathers,, Phys. Rep., 295 (1998). doi: doi:10.1016/S0370-1573(97)00068-9. Google Scholar
[20]	K. Forinash, T. Cretegny and M. Peyrard, Local modes and localization in amulticomponent nonlinear lattice,, Phys. Rev. E, 55 (1997). doi: doi:10.1103/PhysRevE.55.4740. Google Scholar
[21]	K. Forinash, M. Peyrard and B. A. Malomed, Interaction of discrete breathers with impurity modes,, Phys. Rev. E, 49 (1994). doi: doi:10.1103/PhysRevE.49.3400. Google Scholar
[22]	P. G. Kevrekidis, K. Ø. Rasmussen and A. R. Bishop, The discrete nonlinear Schrödinger equation: A survey of recent results,, Int. J. Mod. Phys. B, 15 (2001). doi: doi:10.1142/S0217979201007105. Google Scholar
[23]	R. S. MacKay and S. Aubry, Proof of existence of breathers for time-reversible or Hamiltonian networks of weakly coupled oscillators,, Nonlinearity, 7 (1994). doi: doi:10.1088/0951-7715/7/6/006. Google Scholar
[24]	J. L. Marín and S. Aubry, Breathers in nonlinear lattices: Numerical calculation from the anticontinuous limit,, Nonlinearity, 9 (1996). doi: doi:10.1088/0951-7715/9/6/007. Google Scholar
[25]	M. Meister and L. M. Floría, Bound states of breathers in the Frenkel-Kontorova model,, Eur. Phys. J. B, 37 (2004). doi: doi:10.1140/epjb/e2004-00049-5. Google Scholar
[26]	I. E. Papacharalampous, P. G. Kevrekidis, B. A. Malomed and D. J. Frantzeskakis, Soliton collisions in discrete nonlinear Schrödinger equation,, Phys. Rev. E, 68 (2003). doi: doi:10.1103/PhysRevE.68.046604. Google Scholar
[27]	M. Peyrard and A. R. Bishop, Statistical mechanics of a nonlinear model for DNA denaturation,, Phys. Rev. Lett., 62 (1989). doi: doi:10.1103/PhysRevLett.62.2755. Google Scholar
[28]	B. Sánchez-Rey, G. James, J. Cuevas and J. F. R. Archilla, Bright and dark breathers in Fermi-Pasta-Ulam lattices,, Phys. Rev. B, 70 (2004). doi: doi:10.1103/PhysRevB.70.014301. Google Scholar
[29]	M. Sanz-Serna and M. P. Calvo, "Numerical Hamiltonian Problems,", Chapman and Hall, (1994). Google Scholar
[30]	A. J. Sievers and S. Takeno, Intrinsic localized modes in anharmonic crystals,, Phys. Rev. Lett., 61 (1988). doi: doi:10.1103/PhysRevLett.61.970. Google Scholar

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