L. Genzel, T. P. Martin, and U. Kreibig, Dielectric function and plasma resonances of small metal particles, Zeitschrift f?r Physik B Condensed Matter and Quanta, vol.29, issue.4, p.339, 1975.
DOI : 10.1007/BF01325393

F. Ouyang, P. E. Batson, and M. Isaacson, Quantum size effects in the surface-plasmon excitation of small metallic particles by electron-energy-loss spectroscopy, Physical Review B, vol.2, issue.23, p.15421, 1992.
DOI : 10.1088/0953-8984/2/39/007

J. Tiggesbäumker, L. Köller, K. Meiwes-broer, and A. Liebsch, Blue shift of the Mie plasma frequency in Ag clusters and particles, Physical Review A, vol.3, issue.3, p.1749, 1993.
DOI : 10.1103/PhysRevLett.56.2248

T. Reiners, C. Ellert, M. Schmidt, and H. Haberland, Size Dependence of the Optical Response of Spherical Sodium Clusters, Physical Review Letters, vol.55, issue.9, p.1558, 1995.
DOI : 10.1103/PhysRevLett.55.1912

K. Charlé, L. König, S. Nepijko, I. Rabin, and W. Schulze, The Surface Plasmon Resonance of Free and Embedded Ag-Clusters in the Size Range 1,5 nm < D < 30 nm, Crystal Research and Technology, vol.88, issue.7-8, p.1085, 1998.
DOI : 10.1002/bbpc.19840880320

J. A. Scholl, A. L. Koh, and J. A. Dionne, Quantum plasmon resonances of individual metallic nanoparticles, Nature, vol.10, issue.7390, p.421, 2012.
DOI : 10.1038/nmat3004

K. J. Savage, M. M. Hawkeye, R. Esteban, A. G. Borisov, J. Aizpurua et al., Revealing the quantum regime in tunnelling plasmonics, Nature, vol.11, issue.7425, p.574, 2012.
DOI : 10.1021/nl103398z

W. Zhu, R. Esteban, A. G. Borisov, J. J. Baumberg, P. Nordlander et al., Quantum mechanical effects in plasmonic structures with subnanometre gaps, Nature Communications, vol.9, p.11495, 2016.
DOI : 10.1038/nphys2615

S. Raza, S. I. Bozhevolnyi, M. Wubs, and N. A. Mortensen, Nonlocal optical response in metallic nanostructures, Journal of Physics: Condensed Matter, vol.27, issue.18, p.183204, 2015.
DOI : 10.1088/0953-8984/27/18/183204
URL : http://arxiv.org/abs/1412.0942

E. Townsend and G. W. Bryant, Which resonances in small metallic nanoparticles are plasmonic?, Journal of Optics, vol.16, issue.11, p.114022, 2014.
DOI : 10.1088/2040-8978/16/11/114022
URL : http://arxiv.org/abs/1408.1895

P. Zhang, J. Feist, A. Rubio, P. García-gonzález, F. J. García et al., nanoplasmonics: The impact of atomic structure, Physical Review B, vol.90, issue.16, p.161407, 2014.
DOI : 10.1103/PhysRevB.88.155437

J. A. Schuller, E. S. Barnard, W. Cai, Y. C. Jun, J. S. White et al., Plasmonics for extreme light concentration and manipulation, Nature Materials, vol.91, issue.3, p.193, 2010.
DOI : 10.1080/09500349608232782

V. Giannini, A. I. Fernández-domínguez, S. C. Heck, and S. A. Maier, Plasmonic Nanoantennas: Fundamentals and Their Use in Controlling the Radiative Properties of Nanoemitters, Chemical Reviews, vol.111, issue.6, p.3888, 2011.
DOI : 10.1021/cr1002672

W. Yan, M. Wubs, and N. Mortensen, Projected Dipole Model for Quantum Plasmonics, Physical Review Letters, vol.115, issue.13, p.137403, 2015.
DOI : 10.1143/JPSJ.80.044606
URL : http://arxiv.org/abs/1504.07113

C. David and F. J. García-de-abajo, Spatial Nonlocality in the Optical Response of Metal Nanoparticles, The Journal of Physical Chemistry C, vol.115, issue.40, p.19470, 2011.
DOI : 10.1021/jp204261u

S. Raza, G. Toscano, A. Jauho, M. Wubs, and N. A. Mortensen, Unusual resonances in nanoplasmonic structures due to nonlocal response, Physical Review B, vol.81, issue.12, p.121412, 2011.
DOI : 10.1088/0305-4608/7/9/036
URL : http://arxiv.org/abs/1106.2175

Y. Luo, A. I. Fernández-domínguez, A. Wiener, S. A. Maier, and J. B. Pendry, Surface Plasmons and Nonlocality: A Simple Model, Physical Review Letters, vol.111, issue.9, p.93901, 2013.
DOI : 10.1103/PhysRevLett.110.263901
URL : http://arxiv.org/abs/1308.1708

T. V. Shahbazyan, Landau damping of surface plasmons in metal nanostructures, Physical Review B, vol.23, issue.23, p.235431, 2016.
DOI : 10.1103/PhysRevB.73.085408

N. D. Lang and W. Kohn, Theory of Metal Surfaces: Charge Density and Surface Energy, Physical Review B, vol.35, issue.12, p.4555, 1970.
DOI : 10.1063/1.1732216

A. Liebsch, Dynamical screening at simple-metal surfaces, Physical Review B, vol.27, issue.14, p.7378, 1987.
DOI : 10.1103/PhysRevB.27.6058

L. Serra and A. Rubio, Core Polarization in the Optical Response of Metal Clusters: Generalized Time-Dependent Density-Functional Theory, Physical Review Letters, vol.26, issue.8, p.1428, 1997.
DOI : 10.1007/BF01425638

H. Weissker and C. Mottet, Optical properties of pure and core-shell noble-metal nanoclusters from TDDFT: The influence of the atomic structure, Physical Review B, vol.84, issue.16, p.165443, 2011.
DOI : 10.1103/PhysRevB.78.035436
URL : https://hal.archives-ouvertes.fr/hal-00695999

P. J. Feibelman, Comment on ??Surface plasmon dispersion of Ag??, Physical Review Letters, vol.282, issue.5, p.788, 1994.
DOI : 10.1016/0039-6028(93)90616-R

H. Haberland, Looking from both sides, Nature, vol.118, issue.7435, p.1, 2013.
DOI : 10.1063/1.1575738

J. Yan, K. W. Jacobsen, and K. S. Thygesen, First-principles study of surface plasmons on Ag(111) and H/Ag(111), Physical Review B, vol.84, issue.23, p.235430, 2011.
DOI : 10.1103/PhysRevLett.102.046802

G. A. Benesh and J. E. Inglesfield, An embedding approach for surface calculations, Journal of Physics C: Solid State Physics, vol.17, issue.9, p.1595, 1984.
DOI : 10.1088/0022-3719/17/9/016

J. E. Inglesfield and G. A. Benesh, Surface electronic structure: Embedded self-consistent calculations, Physical Review B, vol.25, issue.153, p.6682, 1988.
DOI : 10.1103/PhysRevB.25.793

A. Liebsch, Electronic Excitations at Metal Surfaces, Physics of Solids and Liquids, 1997.
DOI : 10.1007/978-1-4757-5107-9

P. Apell, R. Monreal, and F. Flores, Effective relaxation time in small spheres: Diffuse surface scattering, Solid State Communications, vol.52, issue.12, p.971, 1984.
DOI : 10.1016/0038-1098(84)90490-3

A. Liebsch and W. L. Schaich, Influence of a polarizable medium on the nonlocal optical response of a metal surface, Physical Review B, vol.6, issue.19, p.14219, 1995.
DOI : 10.1103/PhysRevB.6.4370

P. Apell and A. Ljungbert, Red shift of surface plasmons in small metal particles, Solid State Communications, vol.44, issue.9, p.1367, 1982.
DOI : 10.1016/0038-1098(82)90895-X

F. Ouyang and M. Isaacson, Surface plasmon excitation of objects with arbitrary shape and dielectric constant, Philosophical Magazine Part B, vol.60, issue.4, p.481, 1989.
DOI : 10.1103/PhysRevB.25.6255

F. J. García-de-abajo and J. Aizpurua, Numerical simulation of electron energy loss near inhomogeneous dielectrics, Physical Review B, vol.5, issue.24, p.15873, 1997.
DOI : 10.1088/0305-4608/5/9/011

W. Yan, N. A. Mortensen, and M. Wubs, Green's function surface-integral method for nonlocal response of plasmonic nanowires in arbitrary dielectric environments, Physical Review B, vol.88, issue.15, p.155414, 2013.
DOI : 10.1038/nature08364

T. Christensen, W. Yan, S. Raza, A. Jauho, N. A. Mortensen et al., Nonlocal Response of Metallic Nanospheres Probed by Light, Electrons, and Atoms, ACS Nano, vol.8, issue.2, p.1745, 2014.
DOI : 10.1021/nn406153k

S. P. Apell, P. M. Echenique, and R. H. Ritchie, Sum rules for surface plasmon frequencies, Ultramicroscopy, vol.65, issue.1-2, p.53, 1996.
DOI : 10.1016/S0304-3991(96)00055-1

S. Raza, T. Christensen, M. Wubs, S. I. Bozhevolnyi, and N. A. Mortensen, Nonlocal response in thin-film waveguides: Loss versus nonlocality and breaking of complementarity, Physical Review B, vol.88, issue.11, p.115401, 2013.
DOI : 10.1021/jp807345h

U. Kreibig and L. Genzel, Optical absorption of small metallic particles, Surface Science, vol.156, p.678, 1985.
DOI : 10.1016/0039-6028(85)90239-0

G. Weick, G. Ingold, R. A. Jalabert, and D. Weinmann, Surface plasmon in metallic nanoparticles: Renormalization effects due to electron-hole excitations, Physical Review B, vol.21, issue.16, p.165421, 2006.
DOI : 10.1103/PhysRevLett.92.197402
URL : https://hal.archives-ouvertes.fr/hal-00211556

O. Gunnarsson and B. I. Lundqvist, Exchange and correlation in atoms, molecules, and solids by the spin-density-functional formalism, Physical Review B, vol.29, issue.10, p.4274, 1976.
DOI : 10.1103/PhysRevLett.29.939

A. Liebsch, Surface-plasmon dispersion and size dependence of Mie resonance: Silver versus simple metals, Physical Review B, vol.3, issue.15, p.11317, 1993.
DOI : 10.1088/0022-3719/3/3S/307

P. B. Johnson and R. W. Christy, Optical Constants of the Noble Metals, Physical Review B, vol.1, issue.12, p.4370, 1972.
DOI : 10.1103/PhysRevB.1.498

T. V. Teperik, P. Nordlander, J. Aizpurua, and A. G. Borisov, Robust Subnanometric Plasmon Ruler by Rescaling of the Nonlocal Optical Response, Physical Review Letters, vol.110, issue.26, p.263901, 2013.
DOI : 10.1103/PhysRevLett.80.5105

T. V. Teperik, P. Nordlander, J. Aizpurua, and A. G. Borisov, Quantum effects and nonlocality in strongly coupled plasmonic nanowire dimers, Optics Express, vol.21, issue.22, p.27306, 2013.
DOI : 10.1364/OE.21.027306
URL : https://digital.csic.es/bitstream/10261/102390/1/Quantum%20effects.pdf

K. Tsuei, E. W. Plummer, A. Liebsch, E. Pehlke, K. Kempa et al., The normal modes at the surface of simple metals, Surface Science, vol.247, issue.2-3, p.302, 1991.
DOI : 10.1016/0039-6028(91)90142-F

A. M. Schimpf, N. Thakkar, C. E. Gunthardt, D. J. Masiello, and D. R. Gamelin, Charge-Tunable Quantum Plasmons in Colloidal Semiconductor Nanocrystals, ACS Nano, vol.8, issue.1, p.1065, 2014.
DOI : 10.1021/nn406126u

T. Christensen, W. Wang, A. Jauho, M. Wubs, and N. A. Mortensen, Classical and quantum plasmonics in graphene nanodisks: Role of edge states, Physical Review B, vol.90, issue.24, p.241414, 2014.
DOI : 10.1103/PhysRevB.49.3190