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- L G D Hawke, G Kalosakas, C Simserides
- The European physical journal. E, Soft matter
- 2010

We systematically examine all the tight-binding parameters pertinent to charge transfer along DNA. The pi molecular structure of the four DNA bases (adenine, thymine, cytosine, and guanine) is investigated by using the linear combination of atomic orbitals method with a recently introduced parametrization. The HOMO and LUMO wave functions and energies of… (More)

- Reinhard König, Cezary Sieluzycki, Constantinos Simserides, Peter Heil, Henning Scheich
- Brain research
- 2008

We examined effects of the task of categorizing linear frequency-modulated (FM) sweeps into rising and falling on auditory evoked magnetic fields (AEFs) from the human auditory cortex, recorded by means of whole-head magnetoencephalography. AEFs in this task condition were compared with those in a passive condition where subjects had been asked to just… (More)

- K Lambropoulos, M Chatzieleftheriou, A Morphis, K Kaklamanis, M Theodorakou, C Simserides
- Physical review. E, Statistical, nonlinear, and…
- 2015

We call monomer a B-DNA base pair and examine, analytically and numerically, electron or hole oscillations in monomer and dimer polymers, i.e., periodic sequences with repetition unit made of one or two monomers. We employ a tight-binding (TB) approach at the base-pair level to readily determine the spatiotemporal evolution of a single extra carrier along a… (More)

A systematic study of electron or hole transfer along DNA dimers, trimers and polymers is presented with a tight-binding approach at the base-pair level, using the relevant on-site energies of the base-pairs and the hopping parameters between successive base-pairs. A system of N coupled differential equations is solved numerically with the eigenvalue… (More)

- K Lambropoulos, K Kaklamanis, +6 authors C Simserides
- Journal of physics. Condensed matter : an…
- 2016

We call monomer a B-DNA base pair and study, analytically and numerically, electron or hole oscillations in monomers, dimers and trimers. We employ two tight binding (TB) approaches: (I) at the base-pair level, using the on-site energies of the base pairs and the hopping parameters between successive base pairs i.e. a wire model, and (II) at the single-base… (More)

- A Zora, G P Triberis, C Simserides
- Recent patents on nanotechnology
- 2011

Recent years have witnessed tremendous research in quantum dots as excellent models of quantum physics at the nanoscale and as excellent candidates for various applications based on their optoelectronic properties. This review intends to present theoretical and experimental investigations of the near-field optical properties of these structures, and their… (More)

- Constantinos Simserides
- Journal of physics. Condensed matter : an…
- 2009

An external magnetic field, H, applied parallel to a quasi-two-dimensional carrier system modifies quantitatively and qualitatively the density of states. We examine how this affects primary thermodynamic properties, namely, the entropy, S, the internal and free energy, U and F, the magnetization, M, and the magnetic susceptibility, χ(m), using a… (More)

- A Zora, C Simserides, G P Triberis
- Journal of physics. Condensed matter : an…
- 2007

We develop a fully quantum-mechanical theory for the interaction of light and electron-hole excitations in semiconductor quantum dots. Our theoretical analysis results in an expression for the photoluminescence intensity of quantum dots in the linear regime. Taking into account the single-particle Hamiltonian, the free-photon Hamiltonian, the electron-hole… (More)

- K Lambropoulos, M Chatzieleftheriou, +5 authors C Simserides
- Physical review. E
- 2016

We employ two tight-binding (TB) approaches to systematically study the electronic structure and hole or electron transfer in B-DNA monomer polymers and dimer polymers made up of N monomers (base pairs): (I) at the base-pair level, using the onsite energies of base pairs and the hopping integrals between successive base pairs, i.e., a wire model and (II) at… (More)

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